CN105239584A - Multi-arch sheet pile supporting structure and construction process - Google Patents
Multi-arch sheet pile supporting structure and construction process Download PDFInfo
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- CN105239584A CN105239584A CN201510634516.6A CN201510634516A CN105239584A CN 105239584 A CN105239584 A CN 105239584A CN 201510634516 A CN201510634516 A CN 201510634516A CN 105239584 A CN105239584 A CN 105239584A
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Abstract
The invention discloses a multi-arch sheet pile supporting structure and a construction process. The multi-arch sheet pile supporting structure is used for enclosure of the peripheral wall of a foundation pit and comprises I-shaped sheet piles arranged along the supporting positioning line of the foundation pit at intervals. The center of the bottom face of each I-shaped sheet pile is provided with a tenon arranged in the longitudinal direction of the I-shaped sheet pile. Multi-arch mounting grooves are symmetrically formed in the two sides of each tenon. Concrete soil-blocking arches with the soil-blocking and water-stopping effects are embedded between the multi-arch mounting grooves of the adjacent I-shaped sheet piles. A water-stopping rubber belt with a waterproof sealing function is arranged at the joint of each concrete soil-blocking arch and the corresponding multi-arch mounting groove. According to the multi-arch sheet pile supporting structure and the construction process, the combination structure of the I-shaped sheet piles and the concrete soil-blocking arches is adopted, so that soil blocking and water stopping of the foundation pit are achieved through the concrete soil-blocking arches with cubic-parabola-type curved surfaces, stress is more reasonable, the force transfer effect is better, the supporting rigidity is high, it can be ensured that all the I-shaped sheet piles are stressed uniformly, and the supporting effect is improved; according to the assembled type split supporting structure, construction is convenient and rapid, members can be used repeatedly, and therefore manufacturing cost is reduced.
Description
Technical field
The present invention relates to construction engineering technical field, especially a kind of multi-arch type sheet pile supporting and protection structure and use this supporting and protection structure for the construction technology of pattern foundation pit supporting structure.
Background technology
In base pit engineering, the appropriate design of retaining design is the problem of core the most, and this system should play the effect of going along with sb. to guard him stability of slope, prevents the outer soil erosion of foundation ditch again, to make around foundation ditch surface settlement and control of horizontal displacement within permissible range.The bracing of foundation pit pattern adopted in current engineering is mainly steel sheet pile, reinforced concrete sheet pile, bored pile barricade, diaphragm wall, Deep-stirred Soil-cement Gravity Retaining Wall soil nail wall and composite soil nailing wall etc., wherein steel sheet pile construction is fast, easy to operate but the supporting degree of depth is not very large, and use has certain limitation; Cement mixing pile is applicable to general pattern foundation pit supporting structure and sealing, but the complicated pile-forming effect of underground environment can not be guaranteed, and therefore various support technology all requires further improvement.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiency in prior art, provides a kind of simple for structure, construct convenient, stressed more reasonable, power transmission better effects if, the multi-arch type sheet pile supporting and protection structure that effectively can improve integral stability of foundation pit and construction technology.
The technical solution adopted for the present invention to solve the technical problems is: a kind of multi-arch type sheet pile supporting and protection structure, for going along with sb. to guard him of foundation ditch perisporium, comprise along the spaced I shape sheet pile of pattern foundation pit supporting structure position line, the trailing flank center of I shape sheet pile has the convex falcon longitudinally arranged along I shape sheet pile, convex falcon bilateral symmetry is provided with arcading mounting groove, be embedded with the concrete gear soil arch keeping off native sealing effect between the arcading mounting groove of adjacent I shape sheet pile, the junction between concrete gear soil arch and arcading mounting groove has been provided with the watertight rubber band of waterproof sealing.
Stressed more reasonable for making concrete keep off soil arch, force transmission effect is better, and described concrete gear soil arch is cubic parabola arch, and the curved surface of concrete gear soil arch is outstanding to the soil layer direction of foundation ditch surrounding.
Further, described concrete gear soil arch embeds in the arcading mounting groove on I shape sheet pile successively along foundation depth direction, concrete keeps off native vault mask to be had and to keep off soil with top concrete and encircle and mutually embed the groove be connected, concrete keeps off native intrados to be had and to keep off soil with below concrete and encircle and mutually embed the projection be connected, continuous like this arch by concrete gear soil connects up and down, finally encloses the multi-arch type sheet pile supporting and protection structure meeting designing requirement.
For improving the sealing between concrete gear soil arch junction, in described groove, be provided with the watertight rubber band of waterproof sealing.
Use described multi-arch type sheet pile supporting and protection structure to carry out a construction technology for pattern foundation pit supporting structure, there are following steps:
A, according to Foundation Pit Support Design parameter, prefabricated or purchase I shape sheet pile, concrete gear soil arch;
B, arrange watertight rubber band at the arcading mounting groove of I shape sheet pile;
C, along pattern foundation pit supporting structure position line, three axle agitating modes are adopted to insert I shape sheet piles;
The arcading mounting groove position of d, aligning I shape sheet pile, inserts concrete gear soil arch;
E, in the groove that concrete keeps off native vault face, arrange watertight rubber band;
Connect up and down in f, continuous arcading mounting groove concrete gear soil arch embedded along foundation depth direction on I shape sheet pile, be inserted into design designated depth;
G, repeat the step of above-mentioned b ~ f, finally enclose and form multi-arch type sheet pile supporting and protection structure.
The invention has the beneficial effects as follows: the present invention adopts I shape sheet pile and concrete to keep off native combining structure of encircleing, the concrete gear soil that curved surface is cubic parabola form is used to encircle the retaining soil and water realizing foundation ditch, stressed more reasonable, power transmission better effects if, support rigidity is large, can guarantee that each I shape sheet pile is unanimously stressed, improve supporting effect; The supporting and protection structure that assembling piecemeal is assembled, convenient and quick construction, reduces single lifting lifting capacity and mechanical instructions for use, and can realize recycling of component, thus reduce manufacturing cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is mounting vertical plane structural representation of the present invention.
Fig. 2 is mounting plane structural representation of the present invention.
Fig. 3 is that I shape sheet pile of the present invention and concrete keep off the native scheme of installation encircleed.
Fig. 4 is the structural representation of concrete of the present invention gear soil arch
Protruding 8. foundation ditches of 1. I shape sheet pile 2. convex falcon 3. arcading mounting groove 4. concrete gear soil arch 5. watertight rubber band 6. groove 7. in figure
Detailed description of the invention
The present invention is further illustrated with preferred embodiment by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
A kind of multi-arch type sheet pile supporting and protection structure as shown in Figure 1 to 4, for going along with sb. to guard him of foundation ditch 8 perisporium, comprise along the spaced I shape sheet pile 1 of foundation ditch 8 supporting position line, the trailing flank center of I shape sheet pile 1 has the convex falcon 2 longitudinally arranged along I shape sheet pile 1, convex falcon 2 bilateral symmetry is provided with arcading mounting groove 3, the concrete gear soil arch 4 keeping off native sealing effect has been embedded with between the arcading mounting groove 3 of adjacent I shape sheet pile 1, described concrete gear soil arch 4 is cubic parabola arch, the curved surface of concrete gear soil arch 4 is outstanding to the soil layer direction of foundation ditch 8 surrounding, the concrete gear soil arch 4 of this cubic parabola form, when realizing the native water stopping function of gear, stressed more reasonable, power transmission better effects if, support rigidity is large, can guarantee that each I shape sheet pile 1 is unanimously stressed, improve integer support effect.
During concrete operation, in order to form the supporting and protection structure of foundation ditch 8 whole slope wall, concrete gear soil arch 4 need be spliced along foundation ditch 8 depth direction, therefore, described concrete gear soil arch 4 embeds in the arcading mounting groove 3 on I shape sheet pile 1 successively along foundation ditch 8 depth direction, concrete gear soil arch 4 end faces have keep off with top concrete and natively encircle 4 and mutually embed the groove 6 be connected, concrete gear soil arch 4 bottom surfaces have keep off with below concrete natively encircles 4 and mutually embeds the projection 7 be connected, rely on groove 6 to coordinate with the embedding of projection 7, realize the splicing of upper and lower concrete gear soil arch 4.
For guaranteeing the sealing of supporting and protection structure, prevent current from infiltrating through foundation ditch 8, junction between described concrete gear soil arch 4 and arcading mounting groove 3 has been provided with the watertight rubber band 5 of waterproof sealing, has been provided with the watertight rubber band 5 of waterproof sealing in the groove 6 of concrete gear soil arch 4 equally.
Use above-mentioned multi-arch type sheet pile supporting and protection structure to carry out a construction technology for pattern foundation pit supporting structure, there are following steps:
A, according to foundation ditch 8 support parameters, prefabricated or purchase I shape sheet pile 1, concrete gear soil arch 4;
B, arrange watertight rubber band 5 at the arcading mounting groove 3 of I shape sheet pile 1;
C, along foundation ditch 8 supporting position line, three axle agitating modes are adopted to insert I shape sheet piles 1;
Arcading mounting groove 3 position of d, aligning I shape sheet pile 1, inserts concrete gear soil arch 4;
E, in the groove 6 of concrete gear soil arch 4 end faces layout watertight rubber band 5;
Connect up and down in f, the continuous arcading mounting groove 3 concrete gear soil arch 4 embedded along foundation ditch 8 depth direction on I shape sheet pile 1, be inserted into design designated depth;
G, repeat the step of above-mentioned b ~ f, finally enclose and form multi-arch type sheet pile supporting and protection structure.
The present invention's adopt I shape sheet pile 1 and concrete keep offs composite assembly that soil encircle 4, uses that concrete gear that curved surface is cubic parabola form is native encircles the retaining soil and water that 4 realize foundation ditch 8, stressed more reasonable, power transmission better effects if, support rigidity is large, can guarantee that each I shape sheet pile 1 is unanimously stressed, improves supporting effect; The supporting and protection structure that assembling piecemeal is assembled, convenient and quick construction, reduces single lifting lifting capacity and mechanical instructions for use, and can realize recycling of component, thus reduce manufacturing cost.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (5)
1. a multi-arch type sheet pile supporting and protection structure, for going along with sb. to guard him of foundation ditch (8) perisporium, it is characterized in that: comprise along the spaced I shape sheet pile (1) of foundation ditch (8) supporting position line, the trailing flank center of I shape sheet pile (1) has the convex falcon (2) longitudinally arranged along I shape sheet pile (1), convex falcon (2) bilateral symmetry is provided with arcading mounting groove (3), concrete gear soil arch (4) keeping off native sealing effect has been embedded with between the arcading mounting groove (3) of adjacent I shape sheet pile (1), junction between concrete gear soil arch (4) and arcading mounting groove (3) has been provided with the watertight rubber band (5) of waterproof sealing.
2. multi-arch type sheet pile supporting and protection structure according to claim 1, is characterized in that: described concrete gear soil arch (4) is cubic parabola arch, and the curved surface of concrete gear soil arch (4) is outstanding to the soil layer direction of foundation ditch (8) surrounding.
3. multi-arch type sheet pile supporting and protection structure according to claim 2, it is characterized in that: described concrete gear soil arch (4) embeds in the arcading mounting groove (3) on I shape sheet pile (1) successively along foundation ditch (8) depth direction, concrete gear soil arch (4) end face has and keep off soil with top concrete and encircle (4) and mutually embeds the groove (6) be connected, and concrete keeps off native (4) bottom surface of encircleing to be had to keep off with below concrete and natively encircle (4) and mutually embed the projection (7) be connected.
4. multi-arch type sheet pile supporting and protection structure according to claim 3, is characterized in that: the watertight rubber band (5) being provided with waterproof sealing in described groove (6).
5. use multi-arch type sheet pile supporting and protection structure described in claim 1 to carry out a construction technology for pattern foundation pit supporting structure, there are following steps:
A, according to foundation ditch (8) support parameters, prefabricated or purchase I shape sheet pile (1), concrete gear soil arch (4);
B, I shape sheet pile (1) arcading mounting groove (3) arrange watertight rubber band (5);
C, along foundation ditch (8) supporting position line, adopt three axle agitating modes insert I shape sheet pile (1);
Arcading mounting groove (3) position of d, aligning I shape sheet pile (1), inserts concrete gear soil arch (4);
E, concrete gear soil arch (4) end face groove (6) in layout watertight rubber band (5);
Connect up and down in f, the continuous arcading mounting groove (3) concrete gear soil arch (4) embedded along foundation ditch (8) depth direction on I shape sheet pile (1), be inserted into design designated depth;
G, repeat the step of above-mentioned b ~ f, finally enclose and form multi-arch type sheet pile supporting and protection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510634516.6A CN105239584B (en) | 2015-09-30 | 2015-09-30 | Multi-arch type sheet pile supporting construction carries out the construction technology of pattern foundation pit supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510634516.6A CN105239584B (en) | 2015-09-30 | 2015-09-30 | Multi-arch type sheet pile supporting construction carries out the construction technology of pattern foundation pit supporting structure |
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| Publication Number | Publication Date |
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| CN105239584A true CN105239584A (en) | 2016-01-13 |
| CN105239584B CN105239584B (en) | 2017-11-07 |
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| CN201510634516.6A Expired - Fee Related CN105239584B (en) | 2015-09-30 | 2015-09-30 | Multi-arch type sheet pile supporting construction carries out the construction technology of pattern foundation pit supporting structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740426A (en) * | 2017-10-13 | 2018-02-27 | 南京工业大学 | A kind of assembled arcading wall base pit supporting construction and construction technology |
| ES2682044A1 (en) * | 2017-03-15 | 2018-09-18 | Enxa Galicia, S.L. | Pile system foil (Machine-translation by Google Translate, not legally binding) |
| CN110878555A (en) * | 2019-11-22 | 2020-03-13 | 中国市政工程西北设计研究院有限公司 | Large-span underground space deep foundation pit supporting system and construction method |
| CN111501663A (en) * | 2020-03-25 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Energy dissipation wave wall structure |
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| JPH0988080A (en) * | 1995-09-22 | 1997-03-31 | Kensetsu Kiso Eng Co Ltd | Sheathing structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2682044A1 (en) * | 2017-03-15 | 2018-09-18 | Enxa Galicia, S.L. | Pile system foil (Machine-translation by Google Translate, not legally binding) |
| CN107740426A (en) * | 2017-10-13 | 2018-02-27 | 南京工业大学 | A kind of assembled arcading wall base pit supporting construction and construction technology |
| CN110878555A (en) * | 2019-11-22 | 2020-03-13 | 中国市政工程西北设计研究院有限公司 | Large-span underground space deep foundation pit supporting system and construction method |
| CN111501663A (en) * | 2020-03-25 | 2020-08-07 | 中国电建集团华东勘测设计研究院有限公司 | Energy dissipation wave wall structure |
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| Publication number | Publication date |
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| CN105239584B (en) | 2017-11-07 |
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Granted publication date: 20171107 |