CN203741868U - Reinforced concrete retaining wall structure with combined anchor wire - Google Patents

Reinforced concrete retaining wall structure with combined anchor wire Download PDF

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Publication number
CN203741868U
CN203741868U CN201320623826.4U CN201320623826U CN203741868U CN 203741868 U CN203741868 U CN 203741868U CN 201320623826 U CN201320623826 U CN 201320623826U CN 203741868 U CN203741868 U CN 203741868U
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CN
China
Prior art keywords
retaining
anchor cable
reinforced concrete
vertical anchor
vertical
Prior art date
Application number
CN201320623826.4U
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Chinese (zh)
Inventor
刘书云
王枝玘
董拥梅
杨勇
冯永胜
石晓峰
时朋
冯福庄
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山西宏厦建筑工程有限公司
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Priority to CN201320623826.4U priority Critical patent/CN203741868U/en
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Publication of CN203741868U publication Critical patent/CN203741868U/en

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Abstract

The utility model relates to a reinforced concrete retaining wall structure with a combined anchor wire. The reinforced concrete retaining wall structure is characterized in that a first vertical anchor wire is arranged at each of a wall toe and a wall heel of a cantilever retaining wall cantilever retaining wall; a second vertical anchor wire is arranged at a wall body of the cantilever retaining wall; a slant grouting body and transverse anchor wires are arranged in the wall body of the cantilever retaining wall and an original soil body behind the wall; expanded end heads are arranged at the tail ends of the first vertical anchor wires; anchorage devices are arranged at the extending ends of the first vertical anchor wires; expanded steel plates are arranged at the tail ends of the second vertical anchor wire and the transverse anchor wires; solidifying backfill is placed in front of the cantilever retaining wall. According to the structure, various pre-stressed anchor cables are arranged at the inner part of the retaining wall, the stability of the retaining wall can be improved from various levels, and the structure has the advantages of safety, reliability, masonry saving, low construction cost, simpleness and convenience in construction and the like.

Description

A kind of Reinforced Concrete Retaining Walls structure with combination of steel rope

Technical field

The utility model relates to a kind of Reinforced Concrete Retaining Walls structure with combination of steel rope, and particularly a kind of place of bearing down on one on Reinforced Concrete Retaining Walls wall body, toe of wall, wall heel, wall arranges the Novel retaining wall structure of multiple anchor cable.Belong to highway engineering field, be applicable to highway, railway slope, hydraulic engineering bank and watch out for the construction of the reinforcing bar retaining wall in engineering such as protecting.

Background technology

Retaining wall refers to supporting Roadbed Soil or the hillside soil body, prevent from banketing or the structure of soil deformation unstability, have simple in structure, take up an area less, easy construction and the plurality of advantages such as cheap.At present, retaining wall is not only widely used in highway, railway, urban construction, is also applied to the fields such as dam construction, riverbed regulation, port works, water and soil conservation, the reallocation of land, landslide control simultaneously.

The primary load that retaining wall bears is soil pressure, water pressure, wall weight, and top imposed load.Under the compound action of these loads, stable state, the stress performance of retaining wall constantly change, and especially, when environmental factor generation ANOMALOUS VARIATIONS, retaining wall structure there will be damage in various degree, even there is destabilization problems, the constructing benefits of engineering and duration are had a negative impact.

The existing barricade with anchor cable has two kinds: the one, and with the retaining wall of oblique pull anchor cable, this retaining wall, after wall body has been constructed, carries out the oblique hole of drawing, then carries out the construction of oblique pull anchor cable.This anchor cable outer end is fixed on domatic, the other end is anchored at slide plane with in interior rock mass stability, directly on sliding surface, produce sliding resistance, increase antiskid frictional resistance, make structural plane in impaction state, to improve the globality of slope rock mass, thereby fundamentally improve the mechanical property of rock mass, effectively control the displacement of rock mass, impel it stable, reach the object of regulation concordant, landslide and crag, danger stone.A kind of is retaining wall with vertical anchor cable, this anchor cable is by anchor cable being set in cast-in-place concrete wall body and carrying out pre-stretch-draw, on wall top, apply lasting vertical pressure effect, make full use of anti-pressure ability and the higher bearing capacity of ground that concrete wall body is stronger, increased the active force between retaining wall and ground, part has replaced the active force being produced by body of wall deadweight, meeting under the prerequisite of wall stability, can reduce wall body cross dimensions, thereby reach the object that reduces excavation quantity and construction area area, shortens the engineering time.

Two kinds of above-mentioned modes have obtained good consolidation effect under suitable engineering specifications, but still deposit certain deficiency, as oblique pull anchorage cable anchoring to wall after soil bearing capacity have relatively high expectations, and long construction period, engineering cost are high; Vertical anchor cable is higher to the requirement for bearing capacity of foundation soil body.In sum, a kind of place of bearing down on one on Reinforced Concrete Retaining Walls wall body, toe of wall, wall heel, wall arrange the Novel retaining wall structure of multiple anchor cable can be corresponding the requirement for bearing capacity of the soil body, foundation soil body after wall, the anchor cable of varying number is set accordingly.Given this, need at present the Novel retaining wall structure that a kind of place of bearing down on one of invention arranges multiple anchor cable badly on Reinforced Concrete Retaining Walls wall body, toe of wall, wall heel, wall.

Summary of the invention

The object of the present invention is to provide a kind of place of bearing down on one on Reinforced Concrete Retaining Walls wall body, toe of wall, wall heel, wall that the Novel retaining wall structure of multiple anchor cable is set.

In order to realize above-mentioned technical purpose, the present invention has adopted following technical scheme:

A Reinforced Concrete Retaining Walls structure with combination of steel rope, is characterized in that, at cantilever retaining wall toe of wall and wall heel place, is being provided with the first vertical anchor cable; At cantilever retaining wall wall, be in and be provided with the second vertical anchor cable; After cantilever retaining wall wall body and wall, in the original soil body, be provided with oblique injecting cement paste and horizontal anchor cable; The end of the first vertical anchor cable arranges and expands termination, and external part is provided with ground tackle; The second vertical anchor cable and the laterally end of anchor cable are provided with expansion steel plate; Before cantilever retaining wall, fill and solidify backfill.

Described vertical anchor cable and laterally anchor cable are evenly arranged in after cantilever retaining wall and wall in the soil body.

Described oblique injecting cement paste is along retaining walls towards tilted, and gradient is 1% ~ 20%.

The free end outsourcing protective sleeve of the described second vertical anchor cable, protective sleeve material can adopt PVC, PE or HDPE.

In wall body front, plain concrete being set every beam, is to take as crosspoint, to build plain concrete formation through the ground tackle anchor head of mortar packet header processing.

the utlity model has following beneficial effect and feature:

(1) on Reinforced Concrete Retaining Walls toe of wall, wall heel, wall, bear down on one and locate to arrange prestress anchorage cable, increase the active force between Reinforced Concrete Retaining Walls and ground, improve stability against sliding and the stability against overturning of reinforced concrete retaining wall.

(2) laterally the end of anchor cable and the second vertical anchor cable is provided with expansion steel plate, is more convenient to apply prestressing force, and construction all adopts reservation mode to imbed retaining wall, easy construction.

(3) the vertical anchor cable of prestressing force is set at Reinforced Concrete Retaining Walls place, directly on sliding surface, produce sliding resistance, increase antiskid frictional resistance, make structural plane in impaction state, to improve the globality of slope rock mass, thereby fundamentally improve the mechanical property of rock mass, effectively control the displacement of rock mass, impel it stable, reach the object of regulation concordant, landslide and crag, danger stone.

(4) oblique slip casting physical efficiency strengthens the stability of retaining wall.

Accompanying drawing explanation

Fig. 1 is the structural representation of the Reinforced Concrete Retaining Walls structure of the utility model band combination of steel rope;

Fig. 2 is the plan view of the utility model Reinforced Concrete Retaining Walls metope.

In figure: 1-toe of wall; 2-gutter; 3-gutter; 4-ground tackle; 5-horizontal anchor cable; The 6-the second vertical anchor cable; 7-oblique injecting cement paste; 8-cantilever retaining wall wall body; 9-protective sleeve; 10-curing backfill; 11-cement mortar; The 12-the first vertical anchor cable; 13-original the soil body; 14-expansion steel plate; The heel of 15-wall; 16-topsoil; 17-soft layer; 18-relative bearing stratum; 19-plain concrete is every beam; 20-green plants; 21-mortar packet header; 22-cantilever retaining wall bears down on one.

Specific embodiment

Prestress anchorage cable design parameters and construction technical requirement, Reinforced Concrete Design parameter and construction technical requirement, draw the construction technical requirement in hole etc., in present embodiment, is not repeated, and emphasis is set forth the embodiment that the utility model relates to structure.

Fig. 1 is the structural representation of the Reinforced Concrete Retaining Walls structure of the utility model band combination of steel rope, and Fig. 2 is the plan view of the utility model Reinforced Concrete Retaining Walls metope.Shown in Fig. 1, Fig. 2, with a Reinforced Concrete Retaining Walls structure for combination of steel rope, mainly by cantilever retaining wall wall body the 8, first vertical anchor cable 12, cantilever retaining wall bear down on one the 22, second vertical anchor cable 6, the original soil body 13, topsoil 16, soft layer 17, bearing stratum 18 forms relatively.

Work progress is as follows: excavation of foundation pit, and tamped, and renovate job site, and after-pouring reinforced concrete foundation, retaining wall basis adopts reinforced concrete structure, and strength grade of concrete is C30, in concrete, lays reinforcing bar respectively according to design.The wide 1000mm of toe of wall 1 plate of reinforced concrete foundation, the wall wide 500mm of 15 plate that calls in person, thick 1500mm; The high 10000mm of retaining walls body 8, thick 1500mm.

Reserving hole on reinforced concrete foundation (hole is all established in toe of wall 1 and wall heel 15), along hole, vertically draw hole to relative bearing stratum 18, and its end is expanded to processing, in hole, place the first vertical anchor cable 12, slip casing by pressure cap holes stretch-draw, fixing with ground tackle 4.The first vertical anchor cable 12 adopts the full Grouted bolt of belt end bellend, and anchor pole adopts the HRB335 reinforcing bar that diameter is 25mm.

At reinforced concrete wall vertical reserving hole with it, hole bottom arranges and expands steel plate 14, places the second vertical anchor cable 6 in the hole in, vertical anchor cable 6 with expansion steel plate 14 by being welded to connect.Slip casing by pressure cap holes is high to basic top mark, the free end outsourcing protective sleeve 9 of the second vertical anchor cable, and protective sleeve material can adopt PVC, PE or HDPE.The second vertical anchor cable 6 adopts the full Grouted bolt of belt end bellend, and anchor pole adopts the HRB335 reinforcing bar that diameter is 25mm.

Take cantilever retaining wall wall body 8 templates, at the wall hole of reserved horizontal anchor cable 5, pile body gutter 3 and oblique injecting cement paste 7 of layering uniformly-spaced with it, with after-pouring wall body concrete.Laterally the end of anchor cable is provided with and expands steel plate 14, expand steel plate 14 and stretch into original soil body 500-800mm after wall, cantilever retaining wall wall body 8 tops and retaining walls in the face of the second vertical anchor cable 6 and laterally anchor cable 14 carry out pre-stretch-draw, and fix with ground tackle 4.After the stretching construction of the second vertical anchor cable 6 completes, carry out bear down on one 22 construction of cantilever retaining wall.The reserving hole of oblique injecting cement paste 7 is along retaining walls face tilt, and gradient is 1% ~ 20%.

The excavation of foundation pit soil body and cement solidification material mix are formed to high-strength curing backfill 10, fill in foundation position, carry out foundation ballast.Curing compound can adopt Portland cement, and strength of cement is not less than 32.5MPa, and it is 0.3 that cement mixes mass ratio.

After retaining wall has been constructed, depending on retaining wall deformation extent, carry out the construction of oblique injecting cement paste, horizontal anchor cable 5 ground tackles are carried out to mortar packet header 21 and process.With the 21Wei crosspoint, mortar packet header on anchor cable anchor head, build plain concrete formin concrete every beam 19, and plant green plants 20 in the space forming every beam 19 at adjacent plain concrete, form the Reinforced Concrete Retaining Walls structure with combination of steel rope.

Claims (4)

1. with a Reinforced Concrete Retaining Walls structure for combination of steel rope, it is characterized in that being provided with the first vertical anchor cable at cantilever retaining wall toe of wall and wall heel place; At cantilever retaining wall wall, be in and be provided with the second vertical anchor cable; After cantilever retaining wall wall body and wall, in the original soil body, be provided with oblique injecting cement paste and horizontal anchor cable; The end of the first vertical anchor cable arranges and expands termination, and external part is provided with ground tackle; The second vertical anchor cable and the laterally end of anchor cable are provided with expansion steel plate; Filling before cantilever retaining wall and solidify backfill, describedly in wall body front, plain concrete is set every beam, is to take the ground tackle anchor head processed through mortar packet header as crosspoint, to build plain concrete and form.
2. the Reinforced Concrete Retaining Walls structure with combination of steel rope according to claim 1, is characterized in that described first, second vertical anchor cable and horizontal anchor cable are evenly arranged.
3. the Reinforced Concrete Retaining Walls structure with combination of steel rope according to claim 1, is characterized in that described oblique injecting cement paste is along retaining walls towards tilted, and gradient is 1% ~ 20%.
4. the Reinforced Concrete Retaining Walls structure with combination of steel rope according to claim 1, is characterized in that the free end outsourcing protective sleeve of the described second vertical anchor cable, and the material of protective sleeve adopts PVC, PE or HDPE.
CN201320623826.4U 2013-10-11 2013-10-11 Reinforced concrete retaining wall structure with combined anchor wire CN203741868U (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563156A (en) * 2014-12-25 2015-04-29 贵州省交通规划勘察设计研究院股份有限公司 Construction equipment for retaining walls
CN104631432A (en) * 2015-01-16 2015-05-20 兰州理工大学 Flexible supporting system for prestress anchor supporting plate of sheet-pile retaining wall and construction method
CN104674842A (en) * 2015-02-13 2015-06-03 福建省建专岩土工程有限公司 Solidified soil retaining wall and construction method thereof
CN104863175A (en) * 2015-04-21 2015-08-26 成都佳美嘉科技有限公司 Retaining wall for water conservancy project
CN104912085A (en) * 2015-06-03 2015-09-16 中铁工程设计咨询集团有限公司 Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing
CN105040712A (en) * 2015-07-08 2015-11-11 杭州江润科技有限公司 High-pressure washing anchor planting and recharging comprehensive biological protection structure of soft and hard smashing interbedding type composite rock slope and construction method of structure
CN106192884A (en) * 2016-09-07 2016-12-07 蒋安美 A kind of retaining wall for hydraulic engineering
CN106638461A (en) * 2017-01-10 2017-05-10 成都佳美嘉科技有限公司 Hydraulic engineering retaining wall
CN106759405A (en) * 2017-03-06 2017-05-31 中国电建集团中南勘测设计研究院有限公司 A kind of soil-slope supporting construction and construction method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563156A (en) * 2014-12-25 2015-04-29 贵州省交通规划勘察设计研究院股份有限公司 Construction equipment for retaining walls
CN104631432A (en) * 2015-01-16 2015-05-20 兰州理工大学 Flexible supporting system for prestress anchor supporting plate of sheet-pile retaining wall and construction method
CN104631432B (en) * 2015-01-16 2017-02-22 兰州理工大学 Flexible supporting system for prestress anchor supporting plate of sheet-pile retaining wall and construction method thereof
CN104674842A (en) * 2015-02-13 2015-06-03 福建省建专岩土工程有限公司 Solidified soil retaining wall and construction method thereof
CN104863175A (en) * 2015-04-21 2015-08-26 成都佳美嘉科技有限公司 Retaining wall for water conservancy project
CN104863175B (en) * 2015-04-21 2016-10-05 河南黄河勘测设计研究院 Hydraulic engineering retaining wall
CN104912085A (en) * 2015-06-03 2015-09-16 中铁工程设计咨询集团有限公司 Dual-balance-weight plate column type road cutting supporting and retaining device with diagonal bracing
CN105040712A (en) * 2015-07-08 2015-11-11 杭州江润科技有限公司 High-pressure washing anchor planting and recharging comprehensive biological protection structure of soft and hard smashing interbedding type composite rock slope and construction method of structure
CN106192884A (en) * 2016-09-07 2016-12-07 蒋安美 A kind of retaining wall for hydraulic engineering
CN106638461A (en) * 2017-01-10 2017-05-10 成都佳美嘉科技有限公司 Hydraulic engineering retaining wall
CN106759405A (en) * 2017-03-06 2017-05-31 中国电建集团中南勘测设计研究院有限公司 A kind of soil-slope supporting construction and construction method

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