CN202577342U - T-type retaining wall structure - Google Patents
T-type retaining wall structure Download PDFInfo
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- CN202577342U CN202577342U CN 201220102933 CN201220102933U CN202577342U CN 202577342 U CN202577342 U CN 202577342U CN 201220102933 CN201220102933 CN 201220102933 CN 201220102933 U CN201220102933 U CN 201220102933U CN 202577342 U CN202577342 U CN 202577342U
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- retaining wall
- wall structure
- type retaining
- post
- cantilever
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Abstract
The utility model discloses a T-type retaining wall structure, belonging to the technical field of retaining walls. The technical points are as follows: the T-type retaining wall structure comprises a support wallboard and a suspension arm component arranged at one side face of the support wallboard, wherein an outer end, far away from the support wallboard, of a positioning suspension arm is provided with a post-tensioning anchor rope. The utility model aims at providing the T-type retaining wall structure which has the characteristics of simple structure, convenience for use and good effect, and is used for foundation pit supporting and side slope supporting.
Description
Technical field
The utility model relates to a kind of retaining wall structure, more particularly, relates in particular to a kind of T type retaining wall structure.
Background technology
T type retaining wall is formed by supporting wallboard location cantilever, and it is big to have rigidity, and supporting capacity is high, with the rational characteristics of material.In the pattern foundation pit supporting structure measure, if excavation is little, can independently form support system, hole inner supporting body system need be set.Like this, be more convenient enforcement for construction plant narrow space and the outside can't be provided with under the situation of anchor cable.For example, when subway protection regulation does not allow anchor cable to get into the subway protection domain, adopt T type retaining wall just to can be used as a kind of rational support form in the scope of the contiguous subway of foundation ditch.But; Because pure T type retaining wall structure is the cantilever support system; Along with cutting depth increases, need to increase supporting capacity and the rigidity of T type wall cross section, otherwise just might the accident that retaining wall collapses occur because of the location stressed deficiency of cantilever member with the increase member.Along with the increase of cutting depth, also can significantly increase displacement, be unfavorable for the protection of surrounding enviroment.Therefore, adopt traditional T type retaining wall, after the degree of depth acquired a certain degree, in order to reach the requirement of supporting capacity and controlled deformation, construction costs can increase sharply, thereby had limited this support form scope of application.
The utility model content
The purpose of the utility model is the deficiency to above-mentioned prior art, and a kind of simple in structure, easy to use and effect T type retaining wall structure preferably is provided.
The technical scheme of the utility model is to realize like this; A kind of T type retaining wall structure comprises that supporting wallboard supports the wherein location cantilever of a side of wallboard with being arranged on, and wherein said location cantilever is provided with the post-tensioning anchor cable away from the outer end of supporting wallboard.
In above-mentioned a kind of T type retaining wall structure, described location cantilever is provided with steel sleeve, and described post-tensioning anchor cable is located in the steel sleeve.
In above-mentioned a kind of T type retaining wall structure, described support wallboard is 40～120cm with the thickness of location cantilever.
In above-mentioned a kind of T type retaining wall structure, the length of described location cantilever is 80～280cm.
In above-mentioned a kind of T type retaining wall structure, cantilever outer end, described location is provided with multiple tracks post-tensioning anchor cable, can guarantee the safety of support system along with the increase of cutting depth each road post-tensioning anchor cable of stretch-draw successively.
Above-mentioned T shape wall construction, cantilever outer end, described location are provided with the outer beam of encorbelmenting, and the beam outer end of encorbelmenting outside is provided with the post-tensioning anchor cable, draw the arm of force of anchor with increase, thereby improve the supporting capacity and the controlled deformation ability of T shape wall.
After the utility model adopts said structure, through increasing the location anchor cable to location cantilever controlled deformation, adopt high strength steel strand simultaneously, stress model is simple, makes things convenient for designing and calculating and estimates distortion.Under the situation that the supporting degree of depth increases, the T type wall of band post-tensioning anchor cable reasonably improves supporting capacity, and effectively controlled deformation reduces construction costs, makes pattern foundation pit supporting structure safe and reliable.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the utility model is done further to specify, but do not constitute any restriction the utility model.
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the sectional view at A-A place among Fig. 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
Fig. 5 is the structural representation of the utility model embodiment 4;
Fig. 6 is the sectional view at B-B place among Fig. 5;
Fig. 7 is the structural representation of the utility model embodiment 5;
Fig. 8 is the sectional view at C-C place among Fig. 7.
Among the figure: support wallboard 1, location cantilever 2, additional outrigger 2a, post-tensioning anchor cable 3, steel sleeve 4, the beam 5 of encorbelmenting outward.
The specific embodiment
Consult illustrated in figures 1 and 2; A kind of T type retaining wall structure of the utility model; Comprise that supporting wallboard 1 supports the wherein location cantilever 2 of a side of wallboard 1 with being arranged on, the quantity of location cantilever 2 can be decided according to concrete condition of construction, and the quantity of location cantilever 2 is one in the present embodiment; The thickness that supports wallboard 1 and location cantilever 2 is 40～120cm; The width that supports wallboard 1 is generally 3m or 6m, and the length of location cantilever 2 can be 80～280cm according to topographic features.Cantilever 2 is provided with steel sleeve 4 away from the outer end close end that supports wallboard 1 in the location; Post-tensioning anchor cable 3 is located in this steel sleeve 4; Post-tensioning anchor cable 3 can be under the situation of not thickening whole T type retaining wall structure, and what increase prop is supporting capacity, the distortion of control supporting and protection structure.
During concrete the use, adopt the forming T-shaped wall of existing equipment earlier, and be embedded in location cantilever 2 free end close ends pre-buried steel sleeve pipe 4 along its length at the reinforcing cage place.After having poured into concrete and having made concrete reach certain intensity.Use rig from service sleeve 4, to pass whole ground-connecting-wall, the pulling force situation that provides as required, pore-forming in certain limit at the bottom of the wall on ground.Pore-forming is put into steel strand after accomplishing, and slip casting is set to free section in ground-connecting-wall.Injecting cement paste reaches after the requirement stretch-draw post-tensioning anchor cable 3 in advance, thereby increases the supporting capacity and the non-deformability of whole support system, increases the cutting depth that T shape wall can supporting.
Consult shown in Figure 3, a kind of T type retaining wall structure of the utility model, its structure and embodiment 1 are basic identical, difference is, the location cantilever 2 that is provided with two intervals and is arranged in parallel in a wherein side of supporting wallboard 1.Its method for using is identical with embodiment 1, and its supporting capacity is than embodiment the last 1.During construction, should require classification excavation and grading tension according to the situation of excavation.Promptly, set the anchor cable quantity of stretch-draw, guarantee construction safety according to the situation of excavation.
Consult shown in Figure 4; The another kind of T type retaining wall structure of the utility model; Basic identical with embodiment 1, different places is on the both sides, outer end of location cantilever 2, has also increased by one section additional outrigger 2a respectively; And the additional outrigger 2a on cantilever 2 outer ends, location and both sides also is provided with post-tensioning anchor cable 3 respectively, so further the supporting capacity and the controlled deformation ability of reinforcing band anchor cable T type wall.During construction, to the grouting of post-tensioning anchor pore-forming, according to the situation of excavation, require classification excavation and grading tension post-tensioning anchor cable 3 more earlier, guarantee construction safety.
Consult Fig. 5, shown in Figure 6; The another kind of T type retaining wall structure of the utility model, basic identical with embodiment 3, different places is the certain sand hill of wrapping when 2 sections on cantilever is transferred reinforcing cage in the location; The location cantilever is built for 2 sections form trapezoidal section form; And the outer beam 5 of encorbelmenting is set at place, cantilever 2 tops, location, and the both sides, beam 5 outer end of encorbelmenting outside are provided with and add outrigger 2a, the additional outrigger 2a on encorbelment outside respectively beam 5 outer ends and both sides all is provided with post-tensioning anchor cable 3.Construction costs can be reduced like this, the supporting capacity and the controlled deformation ability of T type retaining wall can be improved simultaneously again.During construction, earlier to the grouting of post-tensioning anchor cable 3 pore-formings, according to the situation of excavation, adopt classification excavation and classification Zhang Houla anchor cable 3 again, to guarantee construction safety.
Consult Fig. 7, shown in Figure 8; The another kind of T type retaining wall structure of the utility model; Basic identical with embodiment 1, different places is the beam 5 of outside increasing outward, encorbelmenting in cantilever 2 ends, location, and the both sides, beam 5 outer end of encorbelmenting outside are provided with additional outrigger 2a; The additional outrigger 2a on beam 5 outer ends and both sides of encorbelmenting outside respectively all is provided with post-tensioning anchor cable 3, can further strengthen the supporting capacity and the controlled deformation ability of T type retaining wall like this.During construction,, according to the situation of excavation, adopt classification excavation and grading tension post-tensioning anchor 3 again, guarantee construction safety earlier to the grouting of post-tensioning anchor cable 3 pore-formings.
Claims (6)
1. a T type retaining wall structure comprises supporting wallboard (1) and being arranged on and supports the wherein location cantilever (2) of a side of wallboard (1), it is characterized in that described location cantilever (2) is provided with post-tensioning anchor cable (3) away from the outer end of supporting wallboard (1).
2. a kind of T type retaining wall structure according to claim 1 is characterized in that described location cantilever (2) is provided with steel sleeve (4), and described post-tensioning anchor cable (3) is located in the steel sleeve (4).
3. a kind of T type retaining wall structure according to claim 1 is characterized in that, the thickness of described support wallboard (1) and location cantilever (2) is 40～120cm.
4. according to the arbitrary described a kind of T type retaining wall structure of claim 1 to 3, it is characterized in that the length of described location cantilever (2) is 80～280cm.
5. according to the arbitrary described a kind of T type retaining wall structure of claim 4, it is characterized in that described location cantilever (2) outer end is provided with multiple tracks post-tensioning anchor cable (3).
6. according to the arbitrary described a kind of T type retaining wall structure of claim 1, it is characterized in that described location cantilever (2) outer end is provided with the outer beam (5) of encorbelmenting, beam (5) outer end of encorbelmenting outside is provided with post-tensioning anchor cable (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102933 CN202577342U (en) | 2012-03-16 | 2012-03-16 | T-type retaining wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220102933 CN202577342U (en) | 2012-03-16 | 2012-03-16 | T-type retaining wall structure |
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| CN202577342U true CN202577342U (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220102933 Expired - Lifetime CN202577342U (en) | 2012-03-16 | 2012-03-16 | T-type retaining wall structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358273A (en) * | 2014-10-13 | 2015-02-18 | 杭州江润科技有限公司 | Construction method for cast-in-place prefabricated combined type earth-retaining wall structure |
| CN108005080A (en) * | 2017-10-20 | 2018-05-08 | 广州中煤江南基础工程公司 | T-shaped wall+prestressing anchor support body systems approach |
| CN109914389A (en) * | 2019-04-02 | 2019-06-21 | 中国建筑西南勘察设计研究院有限公司 | One kind can enhanced prefabricated T-shaped plate stake supporting construction and its construction method |
-
2012
- 2012-03-16 CN CN 201220102933 patent/CN202577342U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358273A (en) * | 2014-10-13 | 2015-02-18 | 杭州江润科技有限公司 | Construction method for cast-in-place prefabricated combined type earth-retaining wall structure |
| CN104358273B (en) * | 2014-10-13 | 2015-12-30 | 杭州江润科技有限公司 | A kind of construction method of in-situ deposited prefabricated combined retaining wall structure |
| CN108005080A (en) * | 2017-10-20 | 2018-05-08 | 广州中煤江南基础工程公司 | T-shaped wall+prestressing anchor support body systems approach |
| CN109914389A (en) * | 2019-04-02 | 2019-06-21 | 中国建筑西南勘察设计研究院有限公司 | One kind can enhanced prefabricated T-shaped plate stake supporting construction and its construction method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |
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| CX01 | Expiry of patent term |