CN205242433U - Two-end cantilever type prestress opposite-pulling retaining wall - Google Patents
Two-end cantilever type prestress opposite-pulling retaining wall Download PDFInfo
- Publication number
- CN205242433U CN205242433U CN201521055980.1U CN201521055980U CN205242433U CN 205242433 U CN205242433 U CN 205242433U CN 201521055980 U CN201521055980 U CN 201521055980U CN 205242433 U CN205242433 U CN 205242433U
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- Prior art keywords
- retaining wall
- riser
- cantilevered
- prestressing force
- model
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 239000004567 concrete Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
The utility model relates to a two-end cantilever type prestress counter-pulling retaining wall structure, which comprises a left retaining wall vertical plate and a right retaining wall vertical plate, wherein the left retaining wall vertical plate and the right retaining wall vertical plate of the two-end cantilever type prestress counter-pulling retaining wall are rigidly connected into a rigid whole through a retaining wall bottom plate; and a prestressed steel strand is connected between the left retaining wall vertical plate and the right retaining wall vertical plate. The utility model discloses rational in infrastructure, bearing capacity is strong, and the operating space who provides for constructor is big, the effectual bearing capacity and the efficiency of construction that improve the structure.
Description
Technical field
The utility model relates to a kind of novel soil-baffling structure in architectural structure system, particularly a kind of cantilevered prestressing forceTo drawing retaining wall structure.
Background technology
At present conventional retaining wall by version can be divided into gravity type, weight formula, reinforcement formula, half gravity type, cantilevered,Board-like, the anchor rod type of stake, board-like, the vertical pre-stress type retaining wall of grappling etc. Wherein, in building field, conventional cantilevered is kept off soilWall is the lightweight construction retaining wall of reinforced concrete structure, and it is mainly by two of riser and base plates (base plate comprises heel slab and toe board)Reinforced concrete member composition, in the time that body of wall is stressed, wall body stability is to rely on the deadweight of banketing on the deadweight of wall body and base plateEnsure, and provide antidumping by wall heel slab. The feature of this cantilever retaining wall is that wall body section is less, self matterAmount is light, and wall is high should not be greater than 6m, and bearing capacity and the resistance to capsizing of body of wall are lower; When cantilever retaining wall need bear compared with great ShiWhen work load, will improve by increasing the sectional dimension of retaining wall riser, toe board and heel slab the bearing capacity of retaining wall, fromAnd cause operating expenses to increase; In addition, because conventional cantilever retaining wall heel slab and toe board base area are relatively little, constructionGet up more difficult, and the stress that ground is produced is larger, general only for the larger ground of bearing capacity.
Utility model content
The purpose of this utility model is to provide a kind of cantilevered prestressing force to drawing retaining wall structure, solve conventional boom-mountedThe technical problem of the low and constructional difficulties of the bearing capacity of retaining wall and resistance to capsizing.
For achieving the above object, the utility model adopts following technical scheme:
A kind of two ends cantilevered prestressing force, to drawing retaining wall, includes left retaining wall riser and right retaining wall riser, its spyLevy and be: described two ends cantilevered prestressing force is to drawing the left retaining wall riser of retaining wall and right retaining wall riser by the bottom of retaining wallIt is a rigid unitary that plate is rigidly connected.
Preferably, between described left retaining wall riser and described right retaining wall riser, be connected with prestress wire.
Preferably, described prestress wire is high-strength low relaxed prestress steel strand.
Preferably, on described left retaining wall riser and described right retaining wall riser, be provided with waist rail, between the outside of waist railEvery the bearing sheet being provided with for disperseing the stress on ground tackle, the two ends of described prestress wire are anchored at cushion cap by ground tackleOn plate.
Preferably, retaining wall haunch has been built in the junction of described retaining wall riser and described retaining wall base plate.
Compared with prior art the utlity model has following characteristics and beneficial effect:
1, in the utility model, the retaining wall riser at retaining wall base plate and two ends waters and builds up an entirety, overcomes traditional cantileverFormula retaining wall mechanization degree is low, the shortcoming of operating difficulties, poor stability.
2, in the utility model, retaining wall base areas increases, and has improved the anti-overturning of cantilever retaining wall and has reducedThe stress that ground is produced, has solved traditional cantilever retaining wall and has been only applicable to the regional difficult problem that foundation bearing capacity is higher.
3, the utility model connects two ends retaining wall riser by prestress wire and applies prestressing force, solvesTraditional cantilever retaining wall in the time bearing larger load, need increase the technical problem of retaining wall area of section.
4, the utility model is provided with waist rail on retaining wall riser, has broken through traditional cantilever retaining wall body of wall heightShould not be greater than the limitation of 6m.
5, the utility model applies prestressing force to cantilever retaining wall, the pressure producing to offset the top soil body and crawler cranePower; It is light and handy that the cantilever retaining wall of this form has structure, and bearing capacity is large, be beneficial to construction and low to ground requirement for bearing capacityAdvantage.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is structure elevational schematic view of the present utility model.
Fig. 2 is structural plan of the present utility model schematic diagram.
Fig. 3 is texture edge schematic diagram of the present utility model.
The left retaining wall riser of Reference numeral: 1-, the right retaining wall riser of 2-, 3-retaining wall base plate, 4-waist rail, 5-are pre-Prestress steel strand, 6-ground tackle, 7-bearing sheet, 8-retaining wall haunch.
Detailed description of the invention
Embodiment is referring to shown in Fig. 1-3, and this two ends cantilevered prestressing force, to drawing retaining wall, includes left retaining wall riser1 and right retaining wall riser 2, described two ends cantilevered prestressing force is to drawing the left retaining wall riser 1 and right retaining wall riser 2 of retaining wallBeing rigidly connected by retaining wall base plate 3 is a rigid unitary. Preferably, described retaining wall riser 1 and described retaining wall base plate 3Junction built retaining wall haunch 8.
Between described left retaining wall riser 1 and described right retaining wall riser 2, be connected with prestress wire 5, preferred, pre-Prestress steel strand 5 is high-strength low relaxed prestress steel strand.
On described left retaining wall riser 1 and described right retaining wall riser 2, be provided with waist rail 4, establish at the interval, outside of waist rail 4Be equipped with the bearing sheet 7 for disperseing the stress on ground tackle 6, the two ends of described prestress wire 5 are anchored at cushion cap by ground tackle 6On plate 7.
Retaining wall concrete strength is C35, and reinforcing bar is that HRB400, stirrup are HRB300, and prestress wire is high-strength lowLax prestress wire, the accurate value of tensile strength is 1860MPa, cross section specification is5X7, single prestress wire nominal is straightFootpath is 15.2mm, prestressing force prestress wire linear meter(lin.m.) proportion 1.12Kg/m, tensile strength design load fpy=714.28N/m ㎡.Elastic modulus E p=1.95X10MPa. Ground tackle: stretching end adopts B&SZ15 type series strand tapered anchorage.
The utility model structural checking computation: adopt comparatively general finite element software at present, set up retaining wall structure model and enterRow force analysis. The form of retaining wall is pressed respectively 3 kinds of gravity retaining walls, cantilever retaining wall, cantilevered pre-stress soil blocking wallCalculate respectively. Carry out modeling by on-site actual situations.
Load case is divided into 3 kinds, is static load operating mode, is respectively construction loads, backfill soil side pressure, prestressing forceApplied stress. Partial safety factor for load is respectively 1.2,1.35,1.4; Given this importance of retaining wall, the importance system of bar structureNumber brings up to 1.1.
Learn by result of calculation: retaining wall thickness 0.4m, concrete intensity is that C35, prestress wire stretch-draw are establishedEvaluation is fpy=714.28N/m ㎡, retaining wall sliding stability, overturning stability checking computations, foundation stress and eccentric throw checking computations, verticalWall cross-sectional strength checking computations etc. all meet code requirement.
Main points of operation of the present utility model: for ensureing retaining wall quality, when concreting, answer placement layer by layer, underBefore solidifying, layer concrete carries out upper strata concreting. In the process of vibrating, should insert and pull out slowly vibration compacting soon, while vibrating, avoidGround tackle preformed hole position. When prestressed stretch-draw, should take dual control, first is tension stress value, and second is presstressed reinforcing steel elongation,In stretching process, to, strictly by the operation of stretch-draw design load, forbid cruelty to be constructed.
Monitoring of the present utility model: the object of protections such as reply retaining wall force and deformation, surrounding building carry out systemMonitoring, by monitoring, grasps the virtual condition of retaining wall and the situation of change of surrounding enviroment in work progress in time, accomplishes in timeForecast, for the safety and stablization of surrounding enviroment provide monitor data, prevents trouble before it happens.
Above-described embodiment is not the exhaustive of detailed description of the invention, also can have other embodiment, and above-described embodiment object existsIn explanation the utility model, and unrestricted protection domain of the present utility model, is allly come by the utility model simple changeApplication all drops in protection domain of the present utility model.
Claims (5)
1. cantilevered prestressing force in two ends, to drawing a retaining wall, includes left retaining wall riser (1) and right retaining wall riser (2),It is characterized in that: described two ends cantilevered prestressing force is to drawing the left retaining wall riser (1) of retaining wall logical with right retaining wall riser (2)Crossing that retaining wall base plate (3) is rigidly connected is a rigid unitary.
2. a kind of two ends according to claim 1 cantilevered prestressing force, to drawing retaining wall, is characterized in that: described left gear soilBetween wall riser (1) and described right retaining wall riser (2), be connected with prestress wire (5).
3. a kind of two ends according to claim 2 cantilevered prestressing force, to drawing retaining wall, is characterized in that: described prestressing forceSteel strand wires (5) are high-strength low relaxed prestress steel strand.
4. a kind of two ends according to claim 2 cantilevered prestressing force, to drawing retaining wall, is characterized in that: described left gear soilOn wall riser (1) and described right retaining wall riser (2), be provided with waist rail (4), the outside of waist rail (4) is arranged at intervals with for dividingThe bearing sheet (7) of the stress on loose ground tackle (6), the two ends of described prestress wire (5) are anchored at bearing sheet by ground tackle (6)(7) on.
5. a kind of two ends according to claim 1 cantilevered prestressing force, to drawing retaining wall, is characterized in that: described retaining wallRiser (1) has been built retaining wall haunch (8) with the junction of described retaining wall base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055980.1U CN205242433U (en) | 2015-12-17 | 2015-12-17 | Two-end cantilever type prestress opposite-pulling retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521055980.1U CN205242433U (en) | 2015-12-17 | 2015-12-17 | Two-end cantilever type prestress opposite-pulling retaining wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205242433U true CN205242433U (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521055980.1U Expired - Fee Related CN205242433U (en) | 2015-12-17 | 2015-12-17 | Two-end cantilever type prestress opposite-pulling retaining wall |
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| CN (1) | CN205242433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700524A (en) * | 2017-09-29 | 2018-02-16 | 南京联众建设工程技术有限公司 | Corrugated sheet steel formula retaining wall |
| CN109577277A (en) * | 2018-11-15 | 2019-04-05 | 重庆交通大学 | A kind of wall-mounted drainage anchor rod barrier wall structure and its construction method |
-
2015
- 2015-12-17 CN CN201521055980.1U patent/CN205242433U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107700524A (en) * | 2017-09-29 | 2018-02-16 | 南京联众建设工程技术有限公司 | Corrugated sheet steel formula retaining wall |
| CN109577277A (en) * | 2018-11-15 | 2019-04-05 | 重庆交通大学 | A kind of wall-mounted drainage anchor rod barrier wall structure and its construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |