CN105239580A - Special-shaped section support pile closed type enclosure system and construction method thereof - Google Patents
Special-shaped section support pile closed type enclosure system and construction method thereof Download PDFInfo
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- CN105239580A CN105239580A CN201510538527.4A CN201510538527A CN105239580A CN 105239580 A CN105239580 A CN 105239580A CN 201510538527 A CN201510538527 A CN 201510538527A CN 105239580 A CN105239580 A CN 105239580A
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Abstract
The invention provides a special-shaped section support pile closed type enclosure system. The special-shaped section support pile closed type enclosure system is formed in the mode that special-shaped section support piles are engaged with and in lap joint with cement piles on the two sides on the two sides through flanges. The special-shaped section piles are filling piles with the sections shaped like a Chinese character 'tu' or 'gong' or 'shi'. The special-shaped section support piles bear water-earth pressure and serve as support piles of a foundation pit project, and water sealing of the integrated closed type enclosure system is formed by closing the space between the support piles through the cement piles. The support piles in the enclosure system can be the filling piles with the sections shaped like a Chinese character 'tu' or 'gong' or 'shi' and with high flexural rigidity and high flexural capacity. Compared with traditional support piles with the round sections, the overall rigidity of the support system is increased remarkably, the displacement of the foundation pit is reduced, and the manufacturing cost of the project is reduced. According to the special-shaped section support pile closed type enclosure system, the space between the support piles is closed by the cement piles, additional closed type water sealing curtains are not needed, and the manufacturing cost of the project is reduced remarkably.
Description
Technical field
The present invention relates to retaining design and the construction method thereof of the larger odd-shaped cross section soldier pile of a kind of closed foundation pit system and construction method thereof, particularly a kind of bending rigidity.
Background technology
Current deep-foundation pit engineering is main mainly with Deformation control, and the cross section bending rigidity of space enclosing structure and supporting capacity are the key factors of restriction supporting structure system supporting performance, are also the key factors affecting construction costs.The bending rigidity increasing space enclosing structure can reduce the distortion of support system; be conducive to the protection of foundation ditch surrounding enviroment; for under the condition that specific support system integral rigidity requires; the increase of space enclosing structure bending rigidity; for reducing the setting of support anchor component, convenient construction, save material; reductions of erection time etc. create condition, thus significantly can reduce construction costs.
In current base pit engineering practice, campshed applies one of comparatively general bracing of foundation pit form.But in base pit engineering practice at present, be limited by pore-forming equipment and pore-forming technique, in campshed supporting foundation pit engineering, the cross section of castinplace pile is generally circular.From material knowledge, section material arranges that distance cross section main shaft is far away, and second moment of area is larger, and the bending rigidity in cross section is larger, and the anti-bending bearing capacity of equal conditions lower section is also higher.Obviously, under same cross-sectional material usage condition, the bending rigidity that circular cross-section obtains is limited, uses cast-in-place pile with round cross-sec tion to there is obvious waste of material.In conventional on-site pore-creating filling pile, for convenience of construction, sectional reinforcement is many along circular cross-section girth uniform reinforcement, and part reinforcing bar effectively can not be played a role in the bending resistance of cross section, causes waste.
Need the base pit engineering of water proof in district higher for groundwater table, after Row Piles Supporting Structure, usually arrange independent closed water seal curtain, water seal curtain is generally cement mixing method, rotary churning pile etc.When arranging independent closed water-stop curtain, need to arrange along the peripheral integrally closed of foundation ditch, construction costs is higher.
Summary of the invention
The object of this invention is to provide the closed retaining design of a kind of odd-shaped cross section soldier pile and construction method thereof, solve in base pit engineering, as cast-in-place pile with round cross-sec tion bending rigidity and the anti-bending bearing capacity not high-technology problem of soil-baffling structure, and groundwater level region, the defects such as closed water-stop curtain construction costs is high are set, simultaneously also for the deep big foundation pit engineering in the strict area of Deformation control provides a kind of economic and practical space enclosing structure form.
For achieving the above object, the present invention adopts following technical scheme: the closed retaining design of a kind of odd-shaped cross section soldier pile, along foundation ditch periphery, comprise rejection tee section soldier pile and the cement earth pile that interval is arranged alternately, described odd-shaped cross section soldier pile is deposited reinforced concrete pile, this pile body is divided into the web of vertical foundation pit limit wall, the occlusion edge of a wing, the Ying Keng side peace row foundation ditch limit wall of parallel foundation ditch limit wall meet native side wing edge, described odd-shaped cross section soldier pile is connected respectively by the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side the cement earth pile of these odd-shaped cross section soldier pile both sides, form closed retaining design.
At least two row stakes that described cement earth pile is single-row stake along parallel foundation ditch Bian Bi direction or is mutually connected.
Described cement earth pile is set to more than two rows along the direction of vertical foundation pit limit wall, the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side with arrange cement earth pile near one of Ying Keng side and overlap and be engaged.
Described web, the occlusion edge of a wing, Ying Keng side and meet native side wing edge form cross section be I-shaped odd-shaped cross section soldier pile, the occlusion edge of a wing, described Ying Keng side is with to meet native side wing edge identical or different along the width in parallel foundation ditch Bian Bi direction, and described web is greater than the width of web along the cross section in parallel foundation ditch Bian Bi direction along the height of the cross section in vertical foundation pit Bian Bi direction.
Described web is divided into the outer peripheral leading web in Ying Keng side that stretches out the occlusion edge of a wing, Ying Keng side and at the occlusion edge of a wing, Ying Keng side and the trailing web of meeting between native side wing edge, described leading web, the occlusion edge of a wing, Ying Keng side, trailing web and meet native side wing edge to form cross section be the odd-shaped cross section soldier pile of native font or scholar's font, the occlusion edge of a wing, described Ying Keng side is with to meet native side wing edge identical or different along the width in parallel foundation ditch Bian Bi direction, and described trailing web is greater than the width of trailing web along the cross section in parallel foundation ditch Bian Bi direction along the height of the cross section in vertical foundation pit Bian Bi direction.
Described foundation ditch is provided with the waist rail be connected with inner support or anchor pole, and the outward flange of leading web is concordant with the outward flange of cement earth pile.
The construction method of the closed retaining design of odd-shaped cross section soldier pile, construction sequence is as follows:
Step one, according to hydrogeological conditions and the excavation of foundation pit degree of depth of planning to build place, carry out the computational analysis of closed retaining design, select the section form of odd-shaped cross section soldier pile, and determine the cross section geometry of odd-shaped cross section soldier pile, arrangement of reinforcement and pile spacing, determine the stake footpath of cement earth pile, be engaged the lap width on the edge of a wing, the columns of setting and row and construction equipment and construction technology with Ying Keng side;
Step 2, along foundation ditch periphery surveying setting-out, identifies the position of retaining design;
Step 3, in the original position of construction retaining design, the cement earth pile of the first odd-shaped cross section soldier pile both sides of first constructing, is respectively the first cement earth pile and the second cement earth pile;
Step 4, before the first cement earth pile and the second cement earth pile setting and harden, the first odd-shaped cross section soldier pile of constructing, and ensure that the occlusion edge of a wing, Ying Keng side is all not less than 10cm with the every side of overlap joint length of action of the cement earth pile of first constructing;
Step 5, continues construction the 3rd cement earth pile along foundation ditch periphery;
Step 6, the second odd-shaped cross section soldier pile of constructing between the second cement earth pile and the 3rd cement earth pile, and ensure that every side of the occlusion edge of a wing, Ying Keng side and cement earth pile overlaps length of action and is all not less than 10cm;
Step 7, repeats step 5 and step 6, successively until whole closed retaining design of having constructed.
The first odd-shaped cross section soldier pile in described step 4 is two-tube heavy method construction of shaking, first the deformed bar cage of colligation odd-shaped cross section soldier pile, secondly the odd-shaped cross section stake holes that construction and odd-shaped cross section soldier pile adapt is needed, then reinforcing cage good for colligation is hung in corresponding stake holes, and concrete perfusion pile.
Described step 4 and step 5 are carried out simultaneously.
Compared with prior art the present invention has following characteristics and beneficial effect:
Odd-shaped cross section soldier pile of the present invention, as the soil-baffling structure of closed retaining design.First, compared with traditional round tee section pattern foundation pit supporting structure castinplace pile, under equal section area condition, soldier pile of the present invention can obtain larger bending rigidity and anti-bending bearing capacity; Secondly, compared with traditional round tee section pattern foundation pit supporting structure castinplace pile, when needing to obtain identical cross section bending rigidity, the section area of soldier pile of the present invention can be reduced or increase pile spacing, thus significantly saving concrete material, reducing construction costs.Again compared with traditional round tee section pattern foundation pit supporting structure castinplace pile; can by the cross section depth-width ratio of adjustment soldier pile of the present invention, position, the edge of a wing, cross section and size etc.; obtain the second moment of area being several times as much as circular cross-section; thus the bending rigidity being several times as much as round stake can be obtained; significantly improve the bending rigidity of retaining design; reduce the distortion of support system, be conducive to the protection of foundation ditch surrounding enviroment.
Odd-shaped cross section soldier pile of the present invention has clear and definite pressurized and tensile region, compared with traditional round tee section pattern foundation pit supporting structure castinplace pile circumferentially sectional uniform arrangement of reinforcement, Reinforcement all intensively can be arranged in the tensile region away from cross section main shaft by soldier pile of the present invention, the load-carrying properties of reinforcing bar and concrete material can be given full play to, improve cross section anti-bending bearing capacity, thus saving material, reduce construction costs.
The closed retaining design of odd-shaped cross section soldier pile that the present invention proposes is engaged the cement earth pile of first constructing by the front edge of a wing of odd-shaped cross section soldier pile to form the retaining design closed, being engaged cement earth pile with current existing circular section castinplace pile is formed compared with closed retaining design, by square-section, edge of a wing overlap joint occlusion cement earth pile, occlusion place to stream path longer, stagnant water effect is better, do not need separately to establish closed water-stop curtain, significantly reduce construction costs.
The closed retaining design of odd-shaped cross section soldier pile that the present invention proposes, under same retaining design Deformation control requirement condition, significantly improving of retaining design rigidity, support stiffness can be reduced, increase support level spacing, increase and support vertical spacing, even can reduce support number of channels, thus material, convenient construction, reduction of erection time can be saved and reduce construction costs etc.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is the structural representation of the I-shaped foundation pit supporting pile of the embodiment of the present invention one.
Fig. 2 is the occlusion concrete stake foundation pit system schematic diagram using soldier pile in Fig. 1.
Fig. 3 is the structural representation of the native font foundation pit supporting pile of the embodiment of the present invention two.
Fig. 4 is the occlusion concrete stake foundation pit system schematic diagram using soldier pile in Fig. 3.
Fig. 5 is the structural representation of the embodiment of the present invention three taxi font foundation pit supporting pile.
Fig. 6 is the occlusion concrete stake foundation pit system schematic diagram using soldier pile in Fig. 5.
Reference numeral: 1-odd-shaped cross section soldier pile, 1.1-web, 1.1a-leading web, 1.1b-trailing web, the occlusion edge of a wing, 1.2-Ying Keng side, 1.3-meet native side wing edge, 1a-first odd-shaped cross section soldier pile, 1b-second odd-shaped cross section soldier pile, 2-cement earth pile, 2a-first cement earth pile, 2b-second cement earth pile, 2c-the 3rd cement earth pile.
Detailed description of the invention
Embodiment one is see shown in Fig. 1-2, and the closed retaining design of this odd-shaped cross section soldier pile, along foundation ditch periphery, in figure, A side is Ying Keng side, and B side is for meeting native side.The closed retaining design of this odd-shaped cross section soldier pile comprises interval and replaces and be engaged as enclosed rejection tee section soldier pile 1 and a cement earth pile 2, described odd-shaped cross section soldier pile 1 is deposited reinforced concrete pile, bear Water And Earth Pressures, be made up of with the native side wing edge 1.3 of meeting of parallel foundation ditch limit wall the occlusion edge of a wing, Ying Keng side 1.2 of the web 1.1 of vertical foundation pit limit wall, parallel foundation ditch limit wall.
Described web 1.1 is greater than the width n of web along the cross section in parallel foundation ditch Bian Bi direction along the height m of the cross section in vertical foundation pit Bian Bi direction.
The occlusion edge of a wing, described Ying Keng side 1.2 is with to meet native side wing edge 1.3 identical or different along the width in parallel foundation ditch Bian Bi direction, and forming cross section is I-shaped odd-shaped cross section soldier pile 1, identical in this example.Described odd-shaped cross section soldier pile 1, is overlapped the cement earth pile 2 of these odd-shaped cross section soldier pile 1 both sides of occlusion respectively, forms closed retaining design by the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side 1.2.
Described cement earth pile 2 can be 1 row, two row or multiple rows along foundation ditch Bian Bi direction.The present embodiment is two row.
If cement earth pile 2 is set to more than two rows along vertical foundation pit Bian Bi direction, the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side 1.2 is closed cement earth pile 2 and is overlapped and be engaged with arranging near one of Ying Keng side.The present embodiment is two rows.
Embodiment two is see shown in Fig. 3-4, with in embodiment one unlike, described web 1.1 is divided into the outer peripheral front abdomen 1.1a in the Ying Keng side of stretching out the occlusion edge of a wing, Ying Keng side 1.2 and at the occlusion edge of a wing, Ying Keng side 1.2 and the trailing web 1.1b that meets between native side wing edge 1.3, the occlusion edge of a wing, Ying Keng side 1.2 is less than along the width in parallel foundation ditch Bian Bi direction meets the width of the reinforcement edge of a wing, native side 1.3 along parallel foundation ditch Bian Bi direction, makes the occlusion edge of a wing, leading web 1.1a, Ying Keng side 1.2, trailing web 1.1b and meet native side wing edge 1.3 to form the odd-shaped cross section soldier pile that cross section is native font.Described trailing web 1.1b is greater than the width n ' of trailing web 1.1b along the cross section in parallel foundation ditch Bian Bi direction along the height m ' of the cross section in vertical foundation pit Bian Bi direction.
Described foundation ditch is provided with the waist rail be connected with inner support or anchor pole, and the outward flange of leading web 1.1a is concordant with the outward flange of cement earth pile 2.
Embodiment three is see shown in Fig. 5-6, with embodiment one and embodiment two unlike, the occlusion edge of a wing, Ying Keng side 1.2 is greater than along the width in parallel foundation ditch Bian Bi direction meets the width of the reinforcement edge of a wing, native side 1.3 along parallel foundation ditch Bian Bi direction, makes the occlusion edge of a wing, leading web 1.1a, Ying Keng side 1.2, trailing web 1.1b and meet native side wing edge 1.3 to form the odd-shaped cross section soldier pile that cross section is scholar's font.
The construction method of the closed retaining design of odd-shaped cross section soldier pile of above embodiment, construction sequence is as follows:
Step one, according to hydrogeological conditions and the excavation of foundation pit degree of depth of planning to build place, carry out the computational analysis of closed retaining design, select the form of odd-shaped cross section soldier pile, and determine the cross section geometry of odd-shaped cross section soldier pile, arrangement of reinforcement and pile spacing, determine the stake footpath of closed cement earth pile, be engaged the lap width on the edge of a wing, the columns of setting and row and construction equipment and construction technology with Ying Keng side;
Step 2, along foundation ditch periphery surveying setting-out, identifies the position of retaining design;
Step 3, in the original position of construction retaining design, the cement earth pile of the first odd-shaped cross section soldier pile 1a both sides of first constructing, is respectively first and closes the closed cement earth pile 2b of cement earth pile 2a and second;
Step 4, before the cement earth pile setting and harden of both sides, construct the first odd-shaped cross section soldier pile 1a, and ensure that the occlusion edge of a wing, Ying Keng side is all not less than 10cm with the every side of overlap joint length of action of the cement earth pile of first constructing;
Step 5, continues construction the 3rd cement earth pile 2c along foundation ditch periphery;
Step 6, before the second cement earth pile 2b and the 3rd cement earth pile 2c setting and harden, the second odd-shaped cross section soldier pile 2a between construction cement earth pile 2b and cement earth pile 2c, and ensure that every side of the occlusion edge of a wing, Ying Keng side and cement earth pile overlaps length of action and is all not less than 10cm;
Step 7, repeats step 5 and step 6, successively until whole closed retaining design of having constructed.
The first odd-shaped cross section soldier pile 1a in described step 4 is two-tube heavy method construction of shaking, first the deformed bar cage of colligation odd-shaped cross section soldier pile, secondly the odd-shaped cross section stake holes that construction and odd-shaped cross section soldier pile adapt in foundation ditch is needed, then reinforcing cage good for colligation is hung in corresponding stake holes, and concrete perfusion pile.
If the situation in place allows, step 4 and step 5 can be carried out simultaneously.
Claims (9)
1. the closed retaining design of odd-shaped cross section soldier pile, along foundation ditch periphery, it is characterized in that: comprise rejection tee section soldier pile (1) and the cement earth pile (2) that interval is arranged alternately, described odd-shaped cross section soldier pile (1) is deposited reinforced concrete pile, this pile body is divided into the web (1.1) of vertical foundation pit limit wall, native side wing edge (1.3) is met with parallel foundation ditch limit wall in the occlusion edge of a wing, Ying Keng side (1.2) of parallel foundation ditch limit wall, described odd-shaped cross section soldier pile (1) is connected respectively by the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side (1.2) cement earth pile (2) of these odd-shaped cross section soldier pile (1) both sides, form closed retaining design.
2. the closed retaining design of odd-shaped cross section soldier pile according to claim 1, is characterized in that: at least two row stakes that described cement earth pile (2) is single-row stake along parallel foundation ditch Bian Bi direction or is mutually connected.
3. the closed retaining design of odd-shaped cross section soldier pile according to claim 1, it is characterized in that: described cement earth pile (2) is set to more than two rows along the direction of vertical foundation pit limit wall, the termination, the edge of a wing on the occlusion edge of a wing, Ying Keng side (1.2) with arrange cement earth pile (2) near one of Ying Keng side and overlap and be engaged.
4. the closed retaining design of odd-shaped cross section soldier pile according to claim 1-3 any one, it is characterized in that: described web (1.1), the occlusion edge of a wing, Ying Keng side (1.2) and meet native side wing edge (1.3) form cross section be I-shaped odd-shaped cross section soldier pile, the occlusion edge of a wing, described Ying Keng side (1.2) is with to meet native side wing edge (1.3) identical or different along the width in parallel foundation ditch Bian Bi direction, and described web (1.1) is greater than the width of web (1.1) along the cross section in parallel foundation ditch Bian Bi direction along the height of the cross section in vertical foundation pit Bian Bi direction.
5. the closed retaining design of odd-shaped cross section soldier pile according to claim 1-3 any one, it is characterized in that: described web (1.1) is divided into the outer peripheral leading web in the Ying Keng side (1.1a) of stretching out the occlusion edge of a wing, Ying Keng side (1.2) and is positioned at the occlusion edge of a wing, Ying Keng side (1.2) and meets the trailing web (1.1b) between native side wing edge (1.3), described leading web (1.1a), the occlusion edge of a wing, Ying Keng side (1.2), trailing web (1.1b) and meet native side wing edge (1.3) to form cross section be the odd-shaped cross section soldier pile of native font or scholar's font, the occlusion edge of a wing, described Ying Keng side (1.2) is with to meet native side wing edge (1.3) identical or different along the width in parallel foundation ditch Bian Bi direction, described trailing web (1.1b) is greater than the width of trailing web (1.1b) along the cross section in parallel foundation ditch Bian Bi direction along the height of the cross section in vertical foundation pit Bian Bi direction.
6. the closed retaining design of odd-shaped cross section soldier pile according to claim 5 any one, it is characterized in that: described foundation ditch is provided with the waist rail be connected with inner support or anchor pole, the outward flange of leading web (1.1a) is concordant with the outward flange of cement earth pile (2).
7. the construction method of the closed retaining design of odd-shaped cross section soldier pile according to claim 1-6 any one, it is characterized in that, construction sequence is as follows:
Step one, according to hydrogeological conditions and the excavation of foundation pit degree of depth of planning to build place, carry out the computational analysis of closed retaining design, select the section form of odd-shaped cross section soldier pile, and determine the cross section geometry of odd-shaped cross section soldier pile, arrangement of reinforcement and pile spacing, determine the stake footpath of cement earth pile, be engaged the lap width on the edge of a wing, the columns of setting and row and construction equipment and construction technology with Ying Keng side;
Step 2, along foundation ditch periphery surveying setting-out, identifies the position of retaining design;
Step 3, in the original position of construction retaining design, the cement earth pile of the first odd-shaped cross section soldier pile (1a) both sides of first constructing, is respectively the first cement earth pile (2a) and the second cement earth pile (2b);
Step 4, before the first cement earth pile (2a) and the second cement earth pile (2b) setting and harden, to construct the first odd-shaped cross section soldier pile (1a), and ensure that the occlusion edge of a wing, Ying Keng side is all not less than 10cm with the every side of overlap joint length of action of the cement earth pile of first constructing;
Step 5, continues construction the 3rd cement earth pile (2c) along foundation ditch periphery;
Step 6, the second odd-shaped cross section soldier pile (2a) of constructing between the second cement earth pile (2b) and the 3rd cement earth pile (2c), and ensure that every side of the occlusion edge of a wing, Ying Keng side and cement earth pile overlaps length of action and is all not less than 10cm;
Step 7, repeats step 5 and step 6, successively until whole closed retaining design of having constructed.
8. the construction method of the closed retaining design of odd-shaped cross section soldier pile according to claim 7, it is characterized in that: the first odd-shaped cross section soldier pile (1a) in described step 4 is two-tube heavy method construction of shaking, first the deformed bar cage of colligation odd-shaped cross section soldier pile, secondly the odd-shaped cross section stake holes that construction and odd-shaped cross section soldier pile adapt is needed, then reinforcing cage good for colligation is hung in corresponding stake holes, and concrete perfusion pile.
9. the construction method of the closed retaining design of odd-shaped cross section soldier pile according to claim 7, is characterized in that: described step 4 and step 5 are carried out simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510538527.4A CN105239580B (en) | 2015-08-28 | 2015-08-28 | A kind of construction method of the closed retaining design of odd-shaped cross section support pile |
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| CN201510538527.4A CN105239580B (en) | 2015-08-28 | 2015-08-28 | A kind of construction method of the closed retaining design of odd-shaped cross section support pile |
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| CN105239580A true CN105239580A (en) | 2016-01-13 |
| CN105239580B CN105239580B (en) | 2018-04-03 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101014796B1 (en) * | 2008-03-03 | 2011-02-15 | 주식회사 한빛구조엔지니어링 | Top-down underground construction method using prefabricated concrete column member as temporary bridge column |
| CN102776880A (en) * | 2012-08-24 | 2012-11-14 | 占昌成 | Prefabricated concrete irregular-shaped pile |
| CN103174169A (en) * | 2011-12-21 | 2013-06-26 | 温州长城基础工程公司 | Cast-in-place H-shaped reinforced concrete and cement soil alternative underground continuous wall and construction method thereof |
| CN203904972U (en) * | 2014-04-22 | 2014-10-29 | 杨众 | Anti-soil leaking combined support pile |
| CN104563130A (en) * | 2015-01-14 | 2015-04-29 | 济南轨道交通集团有限公司 | Cross-shaped enclosure pile and construction method capable of using a structure as enclosure structure and main body structure |
-
2015
- 2015-08-28 CN CN201510538527.4A patent/CN105239580B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101014796B1 (en) * | 2008-03-03 | 2011-02-15 | 주식회사 한빛구조엔지니어링 | Top-down underground construction method using prefabricated concrete column member as temporary bridge column |
| CN103174169A (en) * | 2011-12-21 | 2013-06-26 | 温州长城基础工程公司 | Cast-in-place H-shaped reinforced concrete and cement soil alternative underground continuous wall and construction method thereof |
| CN102776880A (en) * | 2012-08-24 | 2012-11-14 | 占昌成 | Prefabricated concrete irregular-shaped pile |
| CN203904972U (en) * | 2014-04-22 | 2014-10-29 | 杨众 | Anti-soil leaking combined support pile |
| CN104563130A (en) * | 2015-01-14 | 2015-04-29 | 济南轨道交通集团有限公司 | Cross-shaped enclosure pile and construction method capable of using a structure as enclosure structure and main body structure |
Non-Patent Citations (1)
| Title |
|---|
| 龚晓南主编: "《基坑工程实施例2》", 30 October 2008, 中国建筑工业出版社 * |
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