CN208072453U - 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
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- CN208072453U CN208072453U CN201820248625.3U CN201820248625U CN208072453U CN 208072453 U CN208072453 U CN 208072453U CN 201820248625 U CN201820248625 U CN 201820248625U CN 208072453 U CN208072453 U CN 208072453U
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- pile foundation
- joist
- type pallet
- buttress type
- speed railway
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 230000000452 restraining effect Effects 0.000 claims abstract description 7
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 238000007596 consolidation process Methods 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 5
- 230000004888 barrier function Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000004567 concrete Substances 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
Project cost is greatly lowered effectively to solve high-speed railway, the technical barriers such as limited, stringent, the construction investment saving of engineering environment protection control of land used range that highway faces in high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer structure.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 drain hole is arranged along circuit extending direction interval 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 utility model is related to high-speed railway, highway subgrade technical field, more particularly to high-speed railway, highway is filled out digging and is handed over
Relatively steep, the conventional retaining structure closing slope difficulty of boundary, lateral slope of ground, earth's surface Lack of support, riverfront roadbed are washed away larger, water by river water
The cross a river of environmentally sensitive areas and suitable river subgrade engineering.
Background technology
High-speed railway, highway require stringent due to the linear control of circuit, and face downtown areas, ecological protection region and use
Serial problem, especially 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, reaches that high-speed railway, highway subgrade are minimum by such region land used, meet the requirements such as environmental protection, investment reduction, and structure tool
There is feature safe and reliable, easy for construction.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of high-speed railway, highway pile foundation joist buttress type pallets
Subgrade support retainer structure, effectively to solve high-speed railway, the land used range that highway faces is limited, engineering environment protection control is stringent, engineering
The technical barriers such as investment saving, are greatly lowered project cost.
The technical solution that the utility model solves used by above-mentioned technology is as follows：
The high-speed railway of the utility model, highway pile foundation joist buttress type pallet subgrade support retainer structure, it is characterized in that it is wrapped
It includes：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, heel slab with
There is lateral displacement restraining structure between joist, cornice and drain hole is set along circuit extending direction interval with heel slab intersection；Instead
Filtering layer is laid with along cornice inner wall and heel slab roof of counterfort；Roadbed filling body, groove profile cavity of the placement in layers on loaded filter
It is interior.
The lateral displacement restraining structure includes being raised up to form anti-skidding falcon by joist outer top surface, 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 other 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 utility model has the beneficial effects that buttress type pallet under the premise of ensure that width of the subgrade surface, reduces roadbed
The width filled, reduces the height and the width of retaining structure closing slope protection, and enhances the reliability of engineering entirety, compares
Bridge, tunnel engineering enhance the economy of engineering, and upper load is evenly transferred to lower part pile foundation by joist, and pile foundation is in abrupt slope, shore
The regions such as river, Shun He, cross a river provide the exploitativeness of roadbed；The structure can effectively solve the problem that high-speed railway, highway abrupt slope,
The regions such as riverfront, Shun He, cross a river routine supporting and retaining system closing slope is difficult, disturbance is destroyed to natural environment greatly, engineering cost is higher, the later stage is foster
The serial problem such as scheme that shield is difficult and roadbed is crossed a river, have the characteristics that structure novel, securely and reliably, construction is simple, meet environmental protection,
Project cost can be greatly lowered.
Description of the drawings
Fig. 1 be the utility model high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 1 it is disconnected
Face figure；
Fig. 2 be the utility model high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 1 it is vertical
Body figure；
Fig. 3 be the utility model high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 2 it is disconnected
Face figure；
Fig. 4 be the utility model high-speed railway, highway pile foundation joist buttress type pallet subgrade support retainer constructive embodiment 2 it is vertical
Body 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 implementation mode
The utility model is further illustrated below by specific embodiment and in conjunction with attached drawing.
With reference to figure 1 and Fig. 2, the high-speed railway of the utility model, 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, and joist 20 is set to the top of pile foundation 30
It portion and consolidates therewith；Buttress type pallet retaining wall 10, is located on joist 20, and reinforced concrete structure main body includes heel slab
11,15 are corniced counterfort 12 and, there is lateral displacement restraining structure between heel slab 11 and joist 20, cornice 15 crosses with heel slab 11
Drain hole 14 is arranged along circuit extending direction interval in place；Loaded filter 13, along 15 inner walls and the laying of 11 roof of heel slab of cornicing；Roadbed is filled out
Building body 40, placement in layers is in the groove profile cavity on loaded filter 13.
Referring to Figure 1 and Figure 3, buttress type pallet reduces the width of roadbed filling under the premise of 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
Equal regions routine supporting and retaining system closing slope is difficult, disturbance is destroyed to natural environment greatly, engineering cost is higher, late maintaining is difficult and roadbed crosses
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 raised up the anti-skidding falcon slot formed by 15 side bottom surfaces of cornicing by heel slab 11, anti-skidding falcon 21, anti-skidding falcon groove location are opposite
It answers, be highly 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 0.5m joists 20 and cuts
Face size should be determined in conjunction with 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 calculate and determine in conjunction with roadbed upper load situation, make that it meets the requirement of structure self stability and substructure is wanted
It asks.For 12 inclined side angle of the counterfort with 10 chamfer angle of pallet retaining wall, it is strong that 12 structural thickness of counterfort should meet structure itself
Degree requires, and setting spacing should meet the requirement of 10 overall structure of buttress type pallet retaining wall.14 generally use diameter of the drain hole
The pvc pipe of 50mm is embedded in advance in buttress type pallet retaining wall 10, and a hole is arranged in longitudinally spaced 3.0m.11 roof of the heel slab has
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 the composite drainage network for 11 roof of 15 inner walls and heel slab that cornices, and it is laid on the online packed sand pebble layer of the composite, water-drain.
Referring 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, 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 stretches 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 arranged by roadbed half range or full width.It is shown referring to Figures 1 and 2 to implement
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 other 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 the utility model high-speed railway, highway pile foundation joist buttress type pallet roadbed
Some principles of retaining structure are not intended to for the utility model to be confined to shown and described concrete structure and the scope of application
It is interior, therefore every corresponding modification for being possible to be utilized and equivalent, belong to the apllied the scope of the claims of the utility model.
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 along circuit extending direction interval setting drain hole (14)；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 to form anti-skidding falcon (21) by joist (20) outer top surface, 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 other 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
Heel slab (11) connection of the both lateral sides of filling body (40), the both sides buttress type pallet retaining wall (10) is 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) includes being layed in the composite drainage network of cornice (15) inner wall and heel slab (11) roof, and be laid on this and answer
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), main reinforcement stretches into the anchorage length in joist (20) 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 |
|---|---|---|---|
| CN201820248625.3U CN208072453U (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 |
|---|---|---|---|
| CN201820248625.3U CN208072453U (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 |
|---|---|
| CN208072453U true CN208072453U (en) | 2018-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820248625.3U Expired - Fee Related CN208072453U (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) | CN208072453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222060A (en) * | 2018-02-12 | 2018-06-29 | 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 |
-
2018
- 2018-02-12 CN CN201820248625.3U patent/CN208072453U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222060A (en) * | 2018-02-12 | 2018-06-29 | 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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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |