CN108222060A - High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure - Google Patents
High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure Download PDFInfo
- Publication number
- CN108222060A CN108222060A CN201810143494.7A CN201810143494A CN108222060A CN 108222060 A CN108222060 A CN 108222060A CN 201810143494 A CN201810143494 A CN 201810143494A CN 108222060 A CN108222060 A CN 108222060A
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- CN
- China
- Prior art keywords
- pile foundation
- joist
- type pallet
- buttress type
- speed railway
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/02—Retaining or protecting walls
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2/00—General structure of permanent way
- E01B2/006—Deep foundation of tracks
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B2204/00—Characteristics of the track and its foundations
- E01B2204/08—Deep or vertical foundation
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Foundations (AREA)
- Piles And Underground Anchors (AREA)
Abstract
High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure are limited, the technical barriers such as engineering environment protection control is stringent, construction investment saving with the land used range for effectively solving high-speed railway, highway faces, project cost are greatly lowered.Including：Pile foundation and joist, pile foundation is arranged in rows along circuit extending direction interval, and joist is set to the top of pile foundation and consolidates therewith；Buttress type pallet retaining wall, is located on joist, and reinforced concrete structure main body includes heel slab, counterfort and cornices, and has lateral displacement restraining structure between heel slab and joist, cornices and is arranged at intervals drain hole along circuit extending direction with heel slab intersection；Loaded filter is laid with along cornice inner wall and heel slab roof of counterfort；Roadbed filling body, placement in layers is in the groove profile cavity on loaded filter.
Description
Technical field
The present invention relates to high-speed railway, highway subgrade technical field, more particularly to high-speed railway, highway fill out digging have a common boundary,
Relatively steep, the conventional retaining structure closing slope difficulty of face horizontal slope, earth's surface Lack of support, riverfront roadbed are washed away larger, water environment by river water
The cross a river of sensitizing range and suitable river subgrade engineering.
Technical background
High-speed railway, highway due to the linear control requirement of circuit it is stringent, and face downtown areas, ecological protection region and use
Serial problem, particularly partly the filling out in ecological environment sensitizing range such as ground is limited, working space is narrow, soil and water resources protection
Half digs, along river, riverfront and cross a river section subgrade engineering, due under the control of the factors such as geology, the hydrology.If high-speed railway, highway with
Bridge or Tunnel Engineering pass through, and line position need to be raised or be reduced to circuit, easily cause along construction investment be significantly increased；If with roadbed
Pass through, conventional retaining engineering may cause roadbed land used range to significantly increase due to closing slope difficulty, former natural environment disturbed
Greatly or since geological and hydrological conditions are excessively high to engineering later stage operating and maintenance requirements.To solve above-mentioned problem, there is an urgent need for propose a kind of knot
Structure, reach high-speed railway, highway subgrade by such region land used it is minimum, meet the requirements such as environmental protection, investment reduction, and structure tool
There is feature safe and reliable, easy for construction.
Invention content
The technical problems to be solved by the invention are to provide a kind of high-speed railway, highway pile foundation joist buttress type pallet roadbed
Retaining structure is limited with the land used range for effectively solving high-speed railway, highway faces, engineering environment protection control is stringent, construction investment
The technical barriers such as saving, are greatly lowered project cost.
Technical solution used by the present invention solves above-mentioned technology is as follows：
The high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that it includes：Stake
Base and joist, pile foundation is arranged in rows along circuit extending direction interval, and joist is set to the top of pile foundation and consolidates therewith；Buttress type
Pallet retaining wall, is located on joist, and reinforced concrete structure main body includes heel slab, counterfort and cornicing, heel slab and joist it
Between have lateral displacement restraining structure, cornice with heel slab intersection along circuit extending direction be arranged at intervals drain hole；Loaded filter, edge
Cornice inner wall and heel slab roof of counterfort is laid with；Roadbed filling body, placement in layers is in the groove profile cavity on loaded filter.
The lateral displacement restraining structure includes being raised up by joist outer top surface forming anti-skidding falcon and by heel slab by choosing
Eaves side bottom surface raises up the anti-skidding falcon slot to be formed, and anti-skidding falcon, anti-skidding falcon groove location is corresponding, is highly adapted.
The pile foundation is single-row along the setting of circuit extending direction, and the buttress type pallet retaining wall is set to roadbed filling body
Lateral side, the groove profile cavity are formed by the side buttress type pallet retaining wall and opposite side massif slope surface.
The pile foundation is horizontally arranged at interval two row along circuit extending direction, and the buttress type pallet retaining wall is set to roadbed
The both lateral sides of filling body, the both sides buttress type pallet retaining wall heel slab connection is integral, the groove profile cavity by this two
Side buttress type pallet retaining wall is formed.
The invention has the advantages that buttress type pallet under the premise of it ensure that width of the subgrade surface, reduces roadbed filling
Width, reduce the height and the width of retaining structure closing slope protection, and enhance the reliability of engineering entirety, compare bridge, tunnel
Engineering enhances the economy of engineering, and upper load is evenly transferred to lower part pile foundation by joist, and pile foundation is on abrupt slope, riverfront, suitable
The regions such as river, cross a river provide the exploitativeness of roadbed；The structure can effectively solve the problem that high-speed railway, highway abrupt slope, riverfront,
Along the regions such as river, cross a river routine supporting and retaining system closing slope is difficult, big to natural environment destruction disturbance, engineering cost is higher, late maintaining is stranded
Difficult and roadbed is crossed a river the serial problem such as scheme, have the characteristics that structure novel, securely and reliably, construction is simple, meet environmental protection, can be big
Amplitude reduction project cost.
Description of the drawings
Fig. 1 is the section of high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 1
Figure；
Fig. 2 is the solid of high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 1
Figure；
Fig. 3 is the section of high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 2
Figure；
Fig. 4 is the solid of high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 2
Figure.
Component name and corresponding label are shown in figure：Buttress type pallet retaining wall 10, heel slab 11, counterfort 12, anti-filter
Layer 13, drain hole 14, the 15, joist 20 that cornices, anti-skidding falcon 21, pile foundation 30, roadbed filling body 40.
Specific embodiment
It is further illustrated the present invention below by specific embodiment and with reference to attached drawing.
With reference to figure 1 and Fig. 2, its packet of high-speed railway of the invention, highway pile foundation joist buttress type pallet subgrade support retainer structure
It includes：Pile foundation 30 and joist 20, pile foundation 30 is arranged in rows along circuit extending direction interval, joist 20 be set to the top of pile foundation 30 and
It consolidates therewith；Buttress type pallet retaining wall 10, is located on joist 20, and reinforced concrete structure main body includes heel slab 11, helps
Wall 12 and cornice 15, there is lateral displacement restraining structure between heel slab 11 and joist 20, cornice 15 with along 11 intersection of heel slab
Road extending direction is arranged at intervals drain hole 14；Loaded filter 13, along 15 inner walls and the laying of 11 roof of heel slab of cornicing；Roadbed filling body
40, placement in layers is in the groove profile cavity on loaded filter 13.
With reference to Fig. 1 and Fig. 3, buttress type pallet reduces the width of roadbed filling under the premise of it ensure that width of the subgrade surface,
The height and the width of retaining structure closing slope protection are reduced, and enhance the reliability of engineering entirety, comparison bridge, the enhancing of tunnel engineering
Upper load is evenly transferred to lower part pile foundation by the economy of engineering, joist, and pile foundation is in abrupt slope, riverfront, Shun He, cross a river etc.
Region provides the exploitativeness of roadbed；The structure can effectively solve the problem that high-speed railway, highway in abrupt slope, riverfront, Shun He, cross a river
Wait that regions routine supporting and retaining system closing slope is difficult, destroys that disturbance is big, engineering cost is higher, late maintaining is difficult and roadbed is crossed to natural environment
River scheme etc. series problem, have the characteristics that structure novel, securely and reliably, construction is simple, meet environmental protection, work can be greatly lowered
Journey cost.
Referring to figs. 1 to Fig. 4, the lateral displacement restraining structure include raised up by 20 outer top surface of joist formed it is anti-skidding
Falcon 21 and the anti-skidding falcon slot formed that raised up by heel slab 11 by 15 side bottom surfaces of cornicing, anti-skidding falcon 21, anti-skidding falcon groove location are opposite
It should, highly be adapted.The joist 20 is poured using the armored concrete not less than C35, and 20 length of joist is not preferably greater than
Mono- width of 13m can suitably adjust every width length according to concrete engineering situation.The height of anti-skidding falcon 21 is generally 20 section of 0.5m joists
Size should be determined with reference to upper load, meet structure self-strength requirement.
Referring to Figures 1 and 2, the buttress type pallet retaining wall 10 is poured using the armored concrete not less than C35,
Sectional dimension should meet structure self-strength requirement.The height of buttress type pallet retaining wall 10, the length of heel slab 11 and cornice 15
Gradient should combine roadbed upper load situation and calculate and determine, it is made to meet the requirement of structure self stability and substructure will
It asks.For the 12 inclined side angle of counterfort with 10 chamfer angle of pallet retaining wall, it is strong that 12 structural thickness of counterfort should meet structure itself
Degree requirement, setting spacing should meet the requirement of 10 overall structure of buttress type pallet retaining wall.The 14 generally use diameter of drain hole
The pvc pipe of 50mm is embedded in advance in buttress type pallet retaining wall 10, and longitudinally spaced 3.0m sets a hole.11 roof of the heel slab tool
Have not less than 2% draining longitudinal slope, effect promotes water infiltration to be within the walls discharged to drain hole 14 in time.The loaded filter 13 includes being laid with
In 11 roof of 15 inner walls and heel slab that cornices composite drainage network and be laid on the online packed sand pebble layer of the composite, water-drain.
With reference to Fig. 1, the pile foundation 30 is poured using the armored concrete not less than C35, and stake spacing should be according to top
Joist stressing conditions rationally determine, stake is long and sectional dimension is transferred to the axle power, moment of flexure, shear force calculation of stake top according to superstructure
It determines, riverfront roadbed or cross a river roadbed pile body are also contemplated that the influence of century-old water level and ordinary water level to structure, and it is whole need to meet structure
Body safety requirements.0.05m in joist 20 is stretched at the top of the pile foundation 30, and the anchorage length that main reinforcement is stretched into joist 20 is not small
In 35 times of main reinforcement diameter.The pile foundation 30 can hand excavation's pile foundation area be rectangular caisson, unsuitable hand excavation's pile foundation
Area is circular bore stake.
The buttress type pallet retaining wall 10 can be set by roadbed half range or full width.Shown implementation referring to Figures 1 and 2
Example 1, the stake 30 is single-row along the setting of circuit extending direction, and the buttress type pallet retaining wall 10 is set to roadbed filling body 40
Lateral side, the groove profile cavity are formed by the side buttress type pallet retaining wall 10 and opposite side massif slope surface.With reference to by Fig. 3 and
Embodiment 2 shown in Fig. 4, the pile foundation 30 are horizontally arranged at interval two row along circuit extending direction, the buttress type pallet earth-retaining
Wall 10 is set to the both lateral sides of roadbed filling body 40, and it is whole that the heel slab 11 of the both sides buttress type pallet retaining wall 10 is connected as one
Body, the groove profile cavity are formed by the both sides buttress type pallet retaining wall 10.
The above is only using diagram illustrating high-speed railway of the present invention, highway pile foundation joist buttress type pallet subgrade support retainer
Some principles of structure are not intended to the present invention being confined in shown and described concrete structure and the scope of application, therefore every
It is possible that the corresponding modification being utilized and equivalent, belong to the apllied the scope of the claims of the present invention.
Claims (7)
1. high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that it includes：Pile foundation (30) and support
Beam (20), pile foundation (30) is arranged in rows along circuit extending direction interval, and joist (20) is set to the top of pile foundation (30) and therewith
Consolidation；Buttress type pallet retaining wall (10) is located on joist (20), reinforced concrete structure main body include heel slab (11),
It counterfort (12) and cornices (15), there is lateral displacement restraining structure, cornice (15) and heel slab between heel slab (11) and joist (20)
(11) intersection is arranged at intervals drain hole (14) along circuit extending direction；Loaded filter (13), along cornice (15) inner wall and heel slab
(11) roof is laid with；Roadbed filling body (40), placement in layers is in the groove profile cavity on the loaded filter (13).
2. high-speed railway as described in claim 1, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
The lateral displacement restraining structure includes being raised up by joist (20) outer top surface forming anti-skidding falcon (21) and by heel slab (11)
It raises up the anti-skidding falcon slot to be formed by (15) side bottom surface of cornicing, anti-skidding falcon (21), anti-skidding falcon groove location are corresponding, height is mutually fitted
Match.
3. high-speed railway as claimed in claim 2, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
The pile foundation (30) is single-row along the setting of circuit extending direction, and the buttress type pallet retaining wall (10) is set to roadbed filling body
(40) lateral side, the groove profile cavity are formed by the side buttress type pallet retaining wall (10) and opposite side massif slope surface.
4. high-speed railway as claimed in claim 2, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
The pile foundation (30) is horizontally arranged at interval two row along circuit extending direction, and the buttress type pallet retaining wall (10) is set to roadbed
The both lateral sides of filling body (40), heel slab (11) connection of the both sides buttress type pallet retaining wall (10) are integral, the slot
Type cavity is formed by the both sides buttress type pallet retaining wall (10).
5. high-speed railway as claimed in claim 2, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
The loaded filter (13) is multiple including being layed in the composite drainage network of cornice (15) inner wall and heel slab (11) roof and being laid on this
Close the packed sand pebble layer on drainage network.
6. high-speed railway as claimed in claim 2, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
Joist (20) interior 0.05m is stretched at the top of the pile foundation (30), the anchorage length that main reinforcement is stretched into joist (20) is not less than master
35 times of muscle diameter.
7. high-speed railway as claimed in claim 2, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that：
The rectangular caisson of the pile foundation (30) or circular bore stake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143494.7A CN108222060A (en) | 2018-02-12 | 2018-02-12 | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143494.7A CN108222060A (en) | 2018-02-12 | 2018-02-12 | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure |
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| Publication Number | Publication Date |
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| CN108222060A true CN108222060A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810143494.7A Pending CN108222060A (en) | 2018-02-12 | 2018-02-12 | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure |
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| CN (1) | CN108222060A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235153A (en) * | 2018-09-17 | 2019-01-18 | 中铁二院工程集团有限责任公司 | The anti-counterfort U-type groove structure of railway high-filled embankment |
| CN109440558A (en) * | 2018-11-08 | 2019-03-08 | 中铁二院工程集团有限责任公司 | A kind of column foundation anchoring type pallet road structure and its construction method |
| CN111827034A (en) * | 2020-07-28 | 2020-10-27 | 中铁二院工程集团有限责任公司 | Wide integrative structure of consolidating of existing highway transformation engineering group |
| CN112323849A (en) * | 2020-11-04 | 2021-02-05 | 重庆建工市政交通工程有限责任公司 | Buttress Frame Retaining Wall |
| CN114108691A (en) * | 2021-12-02 | 2022-03-01 | 国能朔黄铁路发展有限责任公司 | Construction technology of new buttress type retaining wall |
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| CA2518908A1 (en) * | 2002-04-22 | 2003-10-30 | Christopher George Fraser | A drainage composition and uses thereof |
| CN201125354Y (en) * | 2007-11-23 | 2008-10-01 | 中铁二院工程集团有限责任公司 | Steep hill road bed branch block reinforced structure |
| CN202000234U (en) * | 2011-01-17 | 2011-10-05 | 铁道第三勘察设计院集团有限公司 | Tray type U-shaped reinforced subgrade structure |
| CN102359046A (en) * | 2011-07-27 | 2012-02-22 | 河南省交通规划勘察设计院有限责任公司 | High fill subgrade connection method |
| CN102383353A (en) * | 2011-08-30 | 2012-03-21 | 中铁二院工程集团有限责任公司 | Combined structure for abrupt slope road bed of rapid transit railway |
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| CN203049610U (en) * | 2012-07-25 | 2013-07-10 | 中铁二院工程集团有限责任公司 | Road cutting pile-plank trough type retaining wall structure for railway rich water area |
| CN203960700U (en) * | 2014-05-22 | 2014-11-26 | 中铁第四勘察设计院集团有限公司 | The closed road structure of stake holder U-lag |
| CN105926392A (en) * | 2016-06-17 | 2016-09-07 | 沈阳建筑大学 | Tray type retaining wall structure for weakening mutual influence of subgrade |
| CN208072453U (en) * | 2018-02-12 | 2018-11-09 | 中铁二院工程集团有限责任公司 | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2333950A1 (en) * | 1998-06-01 | 1999-12-09 | Alethea Rosalind Melanie Hall | Method of forming a support structure with interlocking of adjacent compartments |
| CA2518908A1 (en) * | 2002-04-22 | 2003-10-30 | Christopher George Fraser | A drainage composition and uses thereof |
| CN201125354Y (en) * | 2007-11-23 | 2008-10-01 | 中铁二院工程集团有限责任公司 | Steep hill road bed branch block reinforced structure |
| CN202000234U (en) * | 2011-01-17 | 2011-10-05 | 铁道第三勘察设计院集团有限公司 | Tray type U-shaped reinforced subgrade structure |
| CN102359046A (en) * | 2011-07-27 | 2012-02-22 | 河南省交通规划勘察设计院有限责任公司 | High fill subgrade connection method |
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| CN105926392A (en) * | 2016-06-17 | 2016-09-07 | 沈阳建筑大学 | Tray type retaining wall structure for weakening mutual influence of subgrade |
| CN208072453U (en) * | 2018-02-12 | 2018-11-09 | 中铁二院工程集团有限责任公司 | High-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109235153A (en) * | 2018-09-17 | 2019-01-18 | 中铁二院工程集团有限责任公司 | The anti-counterfort U-type groove structure of railway high-filled embankment |
| CN109440558A (en) * | 2018-11-08 | 2019-03-08 | 中铁二院工程集团有限责任公司 | A kind of column foundation anchoring type pallet road structure and its construction method |
| CN111827034A (en) * | 2020-07-28 | 2020-10-27 | 中铁二院工程集团有限责任公司 | Wide integrative structure of consolidating of existing highway transformation engineering group |
| CN112323849A (en) * | 2020-11-04 | 2021-02-05 | 重庆建工市政交通工程有限责任公司 | Buttress Frame Retaining Wall |
| CN114108691A (en) * | 2021-12-02 | 2022-03-01 | 国能朔黄铁路发展有限责任公司 | Construction technology of new buttress type retaining wall |
| CN114108691B (en) * | 2021-12-02 | 2022-12-27 | 国能朔黄铁路发展有限责任公司 | Construction process of novel counterfort retaining wall |
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