CN205502063U - Combined type retaining structure - Google Patents

Combined type retaining structure Download PDF

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Publication number
CN205502063U
CN205502063U CN201620270631.XU CN201620270631U CN205502063U CN 205502063 U CN205502063 U CN 205502063U CN 201620270631 U CN201620270631 U CN 201620270631U CN 205502063 U CN205502063 U CN 205502063U
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China
Prior art keywords
pile
retaining wall
concrete pile
retaining structure
pile foundation
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CN201620270631.XU
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Chinese (zh)
Inventor
文继涛
张逊
林兵
李鸣
颜超
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Zigong Academy Of Urban Planning And Design
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Zigong Academy Of Urban Planning And Design
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Abstract

The utility model provides a combined type retaining structure, its characterized in that: including the concrete pile base, the reinforced concrete cushion cap is arranged concrete pile base top in and is formed high pile platform, is equipped with the rigid retaining wall on the reinforced concrete cushion cap, is equipped with between the concrete pile base and keeps off native board. The more embedding stake of the pile foundation internal force of this structure and displacement is bigger, nevertheless the construction need not excavate the deep basal pit and make this type to strut and to be applied to the relatively poor interim side slope of stability. Simultaneously this retaining structure can reduce the height of retaining wall, realizing soil pressure segmentation back, can reach the effect that reduces total soil pressure, but also has the construction quality pleasing to the eye advantage of back effect of easily controlling and complete.

Description

A kind of Composite Braced Retaining Structure
Technical field
This utility model relates to a kind of retaining structure, particularly to a kind of Composite Braced Retaining Structure.
Background technology
Retaining structure includes support and the anchor structures such as retaining wall, friction pile, prestress anchorage cable, is used to prop up Support, strengthening fill or hillside body, prevent its cunning of collapsing, and to keep stable a kind of fabric structure, mainly uses In bearing soil body soil lateral pressure.In hydraulic engineering, traffic engineering, civil engineering construction, in order to ensure Engineering safety, it is necessary to use retaining structure to carry out consolidation process.In railway, highway subgrade construction, it is used for Stable road bed, cutting, tunnel portal, the roadbed side slope etc. at bridge two ends, build in water conservancy, mining site, house Build in engineering, be mainly used in reinforcing hillside, excavation slope and river bulkhead wall.When above engineering or other ground When engineering runs into the unfavorable geology disasters such as landslide, avalanche, Study on Rock, falling rocks, mud-rock flow, retaining structure master It is used for reinforcing or blocking unfavorable geologic body.
Friction pile is the pile penetrating with slider bed through slip mass, in order to a sliding force for gear gliding mass, rises stable The effect of side slope, it is adaptable to shallow-layer and medium-bedded landslide, is the major measure of a kind of antiskid process.But it is right The movable landslide anti-skid needs of piling are prudent, in order to avoid causing slip because of disturbance and excavation.
Retaining wall, also known as barricade, can be used to prevent avalanche, on a small scale landslide and extensive landslide leading edge again Secondary slip, it be configured with gravity type, half gravity type, cantilevered, buttress type, buttress formula, peg board formula and Frame-type etc..The landslide firmer for toe, permitted bearing capacity is bigger and collapse body use gravity type gear soil Wall effect is preferable, and it can be divided into again slabstone buttress, stone masonry retaining wall, concrete retaining wall etc..Work as sliding surface Exposure higher position on the slope, when slope angle substrate is firmer, the hollow retaining wall of general employing (open cut tunnel).When When slip mass is relatively thin and has multiple sliding surface, then classification can be used to prop up the way of gear.Other several types Retaining wall typically uses armored concrete to build.
Above two retaining structure is equal restrictive when being used alone, and therefore, present stage, is much building work The structure that journey many employings stake, retaining wall combine, such as:
Pile foundation joist retaining wall: pile foundation and joist, retaining wall entirety stress, soil body lateral pressure after a barricade, Pile foundation of constructing after groove, joist of then constructing, retaining wall of finally constructing is excavated out by open cut.But construction and excavation Quantities is big, environmental disruption is big, interim side slope expose long, once unstability will result in great safety and matter Amount accident, does not the most allow to use open cut mode under some special geologic condition, such as landslide location, red clay Location, former times lattice reach location or upper hard under soft soil layer.After the height of retaining wall is more than 12 meters in some cases Exceed national regulation regulation the most should not use, the actual soil pressure produced also much larger than existing calculated value, Potential safety hazard is big.
Stake plate type retaining wall: prop up soil body lateral pressure after barricade by stake, breast boards is set between stake.Original place dough figurine Work excavation forms pile foundation, and non-earthing location uses template to pour.But in the situation that engineering slope difference in height is bigger Under, the free end of the pile foundation of this structure is long, and the transversely deforming of pile foundation is excessive, to the safety of pile foundation and on It is unfavorable that portion's building yard is stablized.
How to solve the problems referred to above, become the problem that engineering staff requires study.
Summary of the invention
This utility model provides a kind of Composite Braced Retaining Structure, it is therefore an objective to solve prior art problem, it is provided that one Kind can not use open cut or dig less, retaining structure that excavation project amount is little, this retaining structure can reduce gear The height of cob wall, after realizing soil pressure segmentation, can reach the effect reducing total earth pressure, but also has Construction quality is easy to control and effect advantage attractive in appearance after completion.
This utility model solves problem and the technical scheme is that
A kind of Composite Braced Retaining Structure, including steel bar concrete pile, reinforced concrete pile cap is placed in reinforcing bar and mixes Solidifying soil pile foundation top forms high-rise pile cap, and reinforced concrete pile cap is provided with rigid retaining wall, at reinforced concrete It is provided with breast boards between soil pile foundation.
Described steel bar concrete pile is perpendicular to the direction of soil body slip and is set at least one row.
Breast boards is arranged between front-seat steel bar concrete pile.The side that breast boards is connected with steel bar concrete pile Formula can afterwards plant anchor, divest pile foundation surface concrete after be rigidly connected, except breast boards is arranged on front row Between pile foundation, also breast boards can be arranged between pile foundation and soil.
Steel bar concrete pile can use square pile foundation, circular pile foundation or oval pile foundation.
Described rigid retaining wall is gravity retaining wall or cantilever retaining wall or counterfort wall.
The beneficial effects of the utility model:
1. in this retaining structure, steel bar concrete pile and cushion cap pass through to be formed by the method poured, this structure Pile foundation internal force and the more embedding stake of displacement are bigger, and construction need not deep pit excavation and reduces interim slope excavating height Degree.Solve open cut, Special Geological Condition constructs the secondary disaster problem being likely to result in, and effectively ensures Workmen, the safety of plant equipment.And the pile foundation and cushion cap by first constructing reaches caving ground Pre-reinforcement effect, further be effectively ensured construction safety.
2. this retaining structure decreases the lateral earth pressure load acting on retaining structure, reduces retaining wall height, The sectional dimension and the earthwork evacuation amount that make retaining wall greatly reduce, and can save construction costs, economic effect Benefit is more preferably.Reduce high retaining wall difficulty of construction, it is to avoid the mass concrete heat of hydration, such that it is able to carry simultaneously The construction quality of high engineering and shortening construction period.
3. the reduction of retaining wall height, it is to avoid the insecurity brought owing to retaining wall height exceedes specification, Avoid the quality problems that the construction of high retaining wall easily occurs simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is top view of the present utility model.
In figure: 1. pile foundation, 2. cushion cap, 3. retaining wall, 4. breast boards.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further details.
A kind of Composite Braced Retaining Structure shown in as shown in Figure 1, Figure 2, including steel bar concrete pile 1, reinforcing bar Concrete bearing platform 2 is placed in steel bar concrete pile 1 top and forms high-rise pile cap, on reinforced concrete pile cap 2 It is provided with rigid retaining wall 3, between steel bar concrete pile 1, is provided with breast boards 4.
Wherein steel bar concrete pile 1 be perpendicular to the soil body slide direction be set at least one row.The present embodiment In be provided with two placing of reinforcement concrete pipe bases, breast boards 4 is arranged between front-seat steel bar concrete pile 1, i.e. keeps off Soil plate 4 is arranged between the steel bar concrete pile of outside.
The mode that breast boards 4 is connected with steel bar concrete pile 1 can afterwards plant anchor, divest pile foundation surface mix Be rigidly connected after solidifying soil, except breast boards being arranged between front-seat pile foundation, also baffle plate can be arranged at pile foundation and Between soil, the most also it is placed in heel row pile foundation.
Steel bar concrete pile 1 can use square pile foundation, circular pile foundation or oval pile foundation.
Described rigid retaining wall 3 can select gravity retaining wall or cantilever retaining wall or counterfort wall.
The construction process of above-mentioned retaining structure is as described below: pile supported platform arrangement → brill (digging) hole stake holes → The pile foundation steel bar cage processed is put in hole → pour pile foundation concrete, dig after concrete strength reaches 85% Pile crown → installation platform bed die and side form, assembling reinforcement also pour cushion cap concrete → concrete strength and reach 85% Before rear excavation stake, the soil body reaches required design place elevation and (uses temporary baffle to support stake depending on soil property situation Between soil) → divest pile foundation concrete to projected depth, breast boards template assembling reinforcement between pile foundation is installed, waters Build the retaining wall on concrete → construction bearing platform the back-filling in layers cubic metre of earth and stone to designing site elevation.
This utility model is propped up gear by a kind of combined type formed after pile foundation, breast boards, cushion cap, retaining wall combination Structure, by arranging steel bar concrete pile, extends downward good ground to support cushion cap retaining wall gravity With a gear lateral earth pressure load, breast boards is set in the middle part of steel bar concrete pile and carrys out the soil body between soldier pile base, Form high-rise pile cap by being fixedly installed reinforced concrete pile cap on steel bar concrete pile, thus form Pile foundation, breast boards, cushion cap retaining structure opposing lateral earth pressure load and support block cob wall, at reinforced concrete Rigid retaining wall placed by soil cushion cap, utilizes rigid retaining wall to prop up gear lateral earth pressure load.
Composite Braced Retaining Structure of the present utility model is compared with pile-pile cap-retaining wall combination retaining structure, significantly The height reduce the lateral earth pressure load acted on retaining structure, reducing retaining wall so that retaining wall Sectional dimension and earthwork evacuation amount greatly reduce, construction costs can be saved, reduce high retaining wall construction Difficulty, it is to avoid the mass concrete heat of hydration, such that it is able to improve the construction quality of engineering and shorten construction work Phase.
Composite Braced Retaining Structure of the present utility model reduces interim side slope excavation after being properly increased by cushion cap is high Degree or do not excavate, by the pile foundation first constructed and cushion cap as interim retaining wall, reaches pre-reinforcement Effect, it is ensured that between pile foundation, the soil body does not slides, the soil body before rear excavation pile foundation performs baffle plate, last construction bearing platform On retaining wall after backfill soil formed place, the process of whole construction technology and construction process is referred to as semi-inverse method, Solve a series of engineering problems and environmental problem that construction open cut brings.Can be used for unfavorable geology geology Construction, as location, landslide, red clay location, former times lattice reach location or upper hard under soft soil layer.

Claims (5)

1. a Composite Braced Retaining Structure, it is characterised in that: include steel bar concrete pile, reinforced concrete pile cap Being placed in steel bar concrete pile top and form high-rise pile cap, reinforced concrete pile cap is provided with rigid retaining wall, Breast boards it is provided with between steel bar concrete pile.
2. Composite Braced Retaining Structure as described in claim 1, it is characterised in that: described steel bar concrete pile The direction being perpendicular to soil body slip is set at least one row.
3. Composite Braced Retaining Structure as described in claim 2, it is characterised in that: breast boards is arranged at front-seat steel Between reinforced concrete pile foundation.
4. Composite Braced Retaining Structure as described in claim 1, it is characterised in that: steel bar concrete pile is permissible Use square pile foundation, circular pile foundation or oval pile foundation.
5. Composite Braced Retaining Structure as claimed in claim 1, it is characterised in that: described rigid retaining wall is gravity Formula retaining wall or cantilever retaining wall or counterfort wall.
CN201620270631.XU 2016-04-01 2016-04-01 Combined type retaining structure Active CN205502063U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620270631.XU CN205502063U (en) 2016-04-01 2016-04-01 Combined type retaining structure

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Application Number Priority Date Filing Date Title
CN201620270631.XU CN205502063U (en) 2016-04-01 2016-04-01 Combined type retaining structure

Publications (1)

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CN205502063U true CN205502063U (en) 2016-08-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735345A (en) * 2016-04-01 2016-07-06 自贡市城市规划设计研究院有限责任公司 Composite type supporting and retaining structure and construction method adopting supporting and retaining structure
CN108487303A (en) * 2018-04-02 2018-09-04 山东建筑大学 A kind of Complex retaining wall and construction method of support pile and counterfort wall
CN108952752A (en) * 2018-08-31 2018-12-07 中铁隧道局集团有限公司 A kind of combined type highway Tunnel Portal Structures suitable for big bias landform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105735345A (en) * 2016-04-01 2016-07-06 自贡市城市规划设计研究院有限责任公司 Composite type supporting and retaining structure and construction method adopting supporting and retaining structure
CN108487303A (en) * 2018-04-02 2018-09-04 山东建筑大学 A kind of Complex retaining wall and construction method of support pile and counterfort wall
CN108952752A (en) * 2018-08-31 2018-12-07 中铁隧道局集团有限公司 A kind of combined type highway Tunnel Portal Structures suitable for big bias landform

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