CN203924037U - Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall - Google Patents
Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall Download PDFInfo
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- CN203924037U CN203924037U CN201420330061.XU CN201420330061U CN203924037U CN 203924037 U CN203924037 U CN 203924037U CN 201420330061 U CN201420330061 U CN 201420330061U CN 203924037 U CN203924037 U CN 203924037U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 132
- 239000010959 steel Substances 0.000 title claims abstract description 132
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 40
- 238000010276 construction Methods 0.000 claims abstract description 36
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000009412 basement excavation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 238000012407 engineering method Methods 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007480 spreading Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model discloses a kind of Cast-in-situs type external prestressing steel tube concrete pile, comprise: steel pipe, at the cast-in-place layer of concrete forming of described steel duct be arranged on many presstressed reinforcing steels on described steel pipe, described presstressed reinforcing steel is along the axis direction setting of steel pipe, comprise top section, interlude and end section, described interlude is positioned at steel pipe outside, described top section and end section run through steel pipe tube wall and enter steel pipe inner side, and the upper end open of described steel pipe, has an enclosed construction on bottom.The utility model also provides the supporting piling wall with aforementioned concrete pile.By the way, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model adopts external prestressing technology, can better to pile body, retrain, and stretching resistance is provided, and has effectively limited the distortion of supporting piling wall in Excavation Process; In addition, can field fabrication, save cost of transportation, guaranteeing, under the safe and reliable prerequisite of pattern foundation pit supporting structure, to reduce costs reduction of erection time and easy construction.
Description
Technical field
The utility model relates to all construction projects fields such as building, municipal administration, traffic, water conservancy, electric power, industry, particularly relates to a kind of Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall.
Background technology
Base pit engineering technical scheme is mainly considered from aspects such as security reliability, economic rationality, difficulty of construction, construction periods.Many to the application of the stake of SMW engineering method, castinplace pile, diaphragm wall in China coast periphery soft clay area.
Shaped steel Soil-cement Wall, is commonly referred to SMW engineering method, is a kind of compound gear soil waterproof structure that shaped steel forms that inserts in the triaxial cement mixing pile of socket continuously.Utilize three axle agitation pile rigs to cut earth in former stratum, rig leading portion low pressure is injected cement grout simultaneously, fully stir and form the cement earth pile row formula barricade that water-resisting property is higher with the chopping soil body, before cement grout not yet hardens, insert a kind of Construction Technique of Underground Works of shaped steel.The stake of SMW engineering method grows up based on Deep Mixing Pile Construction, and this structure has been given full play to the mechanical characteristic of cement-soil mixture and shaped steel, there is economy, the duration is short, water-resisting property is strong, to features such as surrounding environment influence are little.Shaped steel Soil-cement Wall enclosed structure, after basement construction completes, can be extracted H shaped steel from cement mixing method, reaches the object that reclaims and again utilize.Therefore it is short that this engineering method is compared not only the duration with conventional maintenance form, and work progress is pollution-free, place clean and tidy clean, noise is little, and can save social resources, avoids safeguarding that body forever leaves in underground after basement construction, becomes underground obstacle.In promotion, build a conservation-minded society, realize today of sustainable development, apply this engineering method and more there is realistic meaning.
But there is following shortcoming in the stake of SMW engineering method: in the stake of SMW engineering method, mostly use H shaped steel, the cost of H shaped steel is high, and in actual construction work use procedure, the freight of shaped steel and lease expenses are all very high, especially in longer situation of duration, the lease expenses of shaped steel can increase use cost greatly.Shaped steel, generally after basement construction finishes, need to be pulled out in addition, may cause shaped steel bending, break equal loss, when place restriction cannot be extracted, can greatly increase engineering cost again.
The reinforcing bar of castinplace pile and concrete consumption are more, also need to arrange in addition water-stop curtain, construct more loaded down with trivial details, larger on the impact of environment.
Therefore, supporting and protection structure used in existing architecture Foundation Pit Engineering can't meet engineering demand completely, need to develop a kind of novel foundation pit supporting construction, safe and reliable, economical rationality, easy construction.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall, simple and reasonable, this Cast-in-situs type external prestressing steel tube concrete pile adopts external prestressing technology, can better to pile body, retrain, stretching resistance is provided, has effectively limited the distortion of supporting piling wall in Excavation Process; In addition, this Cast-in-situs type external prestressing steel tube concrete pile can, according to designing requirement field fabrication, have been avoided pile body spreading and transport bring unfavorable, saved cost of transportation, guaranteeing, under the safe and reliable prerequisite of pattern foundation pit supporting structure, can to reduce engineering cost, reduction of erection time and easy construction.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of Cast-in-situs type external prestressing steel tube concrete pile is provided, comprise: steel pipe, at the cast-in-place layer of concrete forming of described steel duct be arranged on many presstressed reinforcing steels on described steel pipe, described presstressed reinforcing steel is along the axis direction setting of steel pipe, comprise top section, interlude and end section, described interlude is positioned at steel pipe outside, described top section and end section run through steel pipe tube wall and enter steel pipe inner side, the upper end open of described steel pipe, has an enclosed construction on bottom.
In preferred embodiment of the utility model, on the wall body of described steel pipe, there is a plurality of upper through holes and a plurality of lower through hole, described top section runs through and enters steel duct from upper through hole, and section of the described end runs through and enters steel duct from lower through hole.
In preferred embodiment of the utility model, described upper through hole is provided with sealing ring with the joint of top section, and the joint of described lower through hole and end section is provided with sealing ring.
In preferred embodiment of the utility model, the outer wrap of described interlude has a protecting pipe, and the two ends of described protecting pipe are matched with upper through hole, lower through hole respectively.
In preferred embodiment of the utility model, the distance between described upper through hole and steel pipe upper surface is 2m ~ 4m, and described a plurality of lower through holes and a plurality of upper through hole are symmetrical arranged.
In preferred embodiment of the utility model, described enclosed construction is pyramid enclosed construction.
In preferred embodiment of the utility model, the cross section integral body of described steel pipe is dumbbell shape, comprise top flange, bottom flange and be arranged on the web between described top flange, bottom flange, in described top flange, be distributed with a plurality of tops section and end section, in described bottom flange, be distributed with a plurality of tops section and end section.
The utility model also provides a kind of supporting piling wall with above-mentioned Cast-in-situs type external prestressing steel tube concrete pile, and described supporting piling wall comprises several cement mixing methods and is arranged on the Cast-in-situs type external prestressing steel tube concrete pile in described cement mixing method.
The utlity model has following beneficial effect:
1, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model adopts external prestressing technology, can better to pile body, retrain, and stretching resistance is provided, and has effectively limited the distortion of supporting piling wall in Excavation Process;
2, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, can be according to designing requirement, cast in situs in cement mixing method, and pouring construction is convenient, has avoided the trouble of pile body spreading, has reduced cost of transportation;
3, compare with bored pile, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, the reinforcing bar adopting and concrete consumption are few, cost-saving, and little to ambient influnence;
4, compare with the stake of SMW engineering method, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, with respect to shaped steel, has increased intensity, has reduced cost of transportation, and does not need to pull out, avoided engineering to complete after the loss problem of pulling out of shaped steel;
5, supporting piling wall of the present utility model, adopts Cast-in-situs type external prestressing steel tube concrete pile, has good bending rigidity, and supporting intensity is high;
In sum, the utility model Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall, guarantee the safe and reliable of foundation pit supporting construction, there is again good economic benefit, easy construction, ambient influnence is little, has further met the demand that base pit engineering is built.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also according to these accompanying drawings, obtain other accompanying drawing, wherein:
Fig. 1 is the cross section structure schematic diagram one of described Cast-in-situs type external prestressing steel tube concrete pile;
Fig. 2 is that the A-A of Fig. 1 is to sectional view;
Fig. 3 is the cross section structure schematic diagram two of described Cast-in-situs type external prestressing steel tube concrete pile;
Fig. 4 is the cross section structure schematic diagram three of described Cast-in-situs type external prestressing steel tube concrete pile;
Fig. 5 is the structural representation of a preferred embodiment of the utility model supporting piling wall;
Fig. 6 is the structural representation of another preferred embodiment of the utility model supporting piling wall.
The specific embodiment
Below the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 to Fig. 6, the utility model embodiment comprises:
Embodiment mono-:
Consult Fig. 1, Fig. 2 and Fig. 5, a kind of Cast-in-situs type external prestressing steel tube concrete pile, comprise: steel pipe 1, at the inner cast-in-place layer of concrete forming 2 of described steel pipe 1 be arranged on the many presstressed reinforcing steels 3 on described steel pipe 1, described presstressed reinforcing steel is along the axis direction setting of steel pipe 1, comprise top section 31, interlude 32 and end section 33, described interlude 32 is positioned at steel pipe 1 outside, described top section 31 and end section 33 run through steel pipe tube wall and enter steel pipe inner side, section of the described end 33 puts in layer of concrete 2 inside, be closely linked with layer of concrete 2, described top section 31 parts combine with layer of concrete 2, also have part to expose layer of concrete 2, the part of exposing is used for reaching after design strength at pile body, described presstressed reinforcing steel is carried out to external prestressing to be applied, the utility model adopts external prestressing technology, can better to pile body, retrain, stretching resistance is provided, effectively limited the distortion of supporting piling wall in Excavation Process.
The upper end open of described steel pipe 1, is used for concreting, has an enclosed construction 4 on bottom.
On the wall body of described steel pipe 1, have a plurality of upper through holes 11 and a plurality of lower through hole 12, described top section 31 runs through and enters steel duct from upper through hole 11, and section of the described end 33 runs through and enters steel duct from lower through hole 12.
Described upper through hole 11 is provided with sealing ring (not shown) with the joint of top section 31, makes through hole 11 and the joint of top section 31 have good sealing performance, prevents that outside water from entering steel duct, affects concrete intensity; Equally, described lower through hole 12 is provided with sealing ring with the joint of end section 33, makes lower through hole 12 and the joint of end section 33 have good sealing performance, prevents that outside water from entering steel duct, affects concrete intensity.
In the present embodiment, the cross section integral body of described steel pipe 1 is dumbbell shape, comprise top flange 13, bottom flange 14 and be arranged on described top flange 13, web 15 between bottom flange 14, 13He bottom flange, described top flange 14 ovalizes, described web is rectangle, 13 inside, described top flange have epicoele 133, 14 inside, described bottom flange have cavity of resorption 143, described web inside has intermediate cavity 151, between described top flange 13 and web 15, be formed with upper spacer 131, between described bottom flange and web 15, be formed with lower clapboard 141, on described upper spacer 131, be furnished with along its length a plurality of upper through holes 132, on described lower clapboard 141, be furnished with along its length a plurality of lower through-holes 142, described upper through hole 132 and lower through-hole 142 make epicoele 133, the concrete of intermediate cavity 151 and cavity of resorption 143 inside is in conjunction with as a whole, make whole steel tube concrete pile there is preferably structural performance, safe.
On the outside of described top flange 13, be provided with many presstressed reinforcing steels 3, described presstressed reinforcing steel 3 13 outside runs through and enters epicoele 133 inside from top flange, on the outside of described bottom flange 14, be provided with a plurality of presstressed reinforcing steels, described presstressed reinforcing steel 14 outside runs through and enters cavity of resorption 143 inside from bottom flange, in the epicoele 133 of described top flange 13, be distributed with a plurality of tops section and end section, in the cavity of resorption 143 of described bottom flange 14, be distributed with a plurality of tops section and end section.
With reference to Fig. 1, described many presstressed reinforcing steels are evenly distributed on steel pipe 1 in the mode of dividing, simple in structure, reasonable in design.
Preferably, the distance between described upper through hole 11 and steel pipe 1 upper surface is 4m, reasonable in design, has guaranteed the carrying out that external prestressing applies, and described a plurality of lower through holes 12 are symmetrical arranged with a plurality of upper through holes 11.
With reference to Fig. 5, the utility model also provides a kind of supporting piling wall with above-mentioned Cast-in-situs type external prestressing steel tube concrete pile, and described supporting piling wall comprises several cement mixing methods and is arranged on the Cast-in-situs type external prestressing steel tube concrete pile in described cement mixing method.
Described cement mixing method adopts triaxial cement mixing pile construction machinery to construct, process the cement mixing method of three mutual interlocks at every turn, be respectively front stake, central pile and rear stake, form a Soil-cement pile element, by multiple form of construction work, form body of wall, in described cement mixing method continuously or interval Cast-in-situs type external prestressing steel tube concrete pile is set.
Described supporting piling wall is formed by a plurality of Soil-cement pile element Heterogeneous Permutations, the rear stake of previous Soil-cement pile element and front interlock mutually of a rear Soil-cement pile element, form alternating expression structure, strengthened whole bending rigidity and Lateral resisting ability.In practice of construction process, undersized Cast-in-situs type external prestressing steel tube concrete pile can be set in independent cement mixing method, in the cement mixing method of the mutual interlock of dislocation place, large-sized Cast-in-situs type external prestressing steel tube concrete pile be set.
Embodiment bis-:
The second embodiment of the present utility model and the first embodiment are basic identical; the main distinction is: the interlude outer wrap of described presstressed reinforcing steel has a protecting pipe; the two ends of described protecting pipe are matched with upper through hole, lower through hole respectively; and use sealing ring good seal; in the present embodiment, in interlude outside, increased protecting pipe, this protecting pipe can adopt plastic pipe; can protect presstressed reinforcing steel not to be subject to the erosion of outside water, fully guarantee high strength and the functional performance of presstressed reinforcing steel.
In addition, also have following difference, in the present embodiment, the distance between described upper through hole and steel pipe upper surface is 2m, reasonable in design, and what guaranteed that external prestressing applies carries out smoothly, and described a plurality of lower through holes and a plurality of upper through hole are symmetrical arranged.
Embodiment tri-:
With reference to Fig. 3 and Fig. 6, the 3rd embodiment of the present utility model and the first embodiment are basic identical, the main distinction is: described presstressed reinforcing steel has 2 ~ 6 (shown in Fig. 3 are 6), be divided into two groups, two groups of presstressed reinforcing steels are symmetrical arranged, and every group of 1 ~ 3 presstressed reinforcing steel abuts against together, forms a whole, simple in structure, reasonable in design.
In addition, also have following difference, in the present embodiment, the distance between described upper through hole and steel pipe upper surface is 3m, reasonable in design, and what guaranteed that external prestressing applies carries out smoothly, and described a plurality of lower through holes and a plurality of upper through hole are symmetrical arranged.
In addition, also has following difference, a kind of supporting piling wall with above-mentioned Cast-in-situs type external prestressing steel tube concrete pile is provided in the present embodiment, and described supporting piling wall comprises several cement mixing methods and is arranged on the Cast-in-situs type external prestressing steel tube concrete pile in described cement mixing method.
Described cement mixing method adopts triaxial cement mixing pile construction machinery to construct, process the cement mixing method of three mutual interlocks at every turn, be respectively front stake, central pile and rear stake, form a Soil-cement pile element, by multiple form of construction work, form body of wall, in described cement mixing method continuously or interval Cast-in-situs type external prestressing steel tube concrete pile is set.
Described supporting piling wall comprises the cement soil wall matrix being comprised of a plurality of cement mixing methods that are arranged in order mutual interlock, in described cement soil wall matrix one side, be interval with a plurality of Soil-cement pile elements that are parallel to described cement soil wall matrix, the distance at interval can be a cement mixing method or a plurality of cement mixing method, according to the length of actual cement soil wall matrix, determine, three stakes of described Soil-cement pile element respectively with cement soil wall matrix on three mutual interlocks of stake, form raised type structure, in described cement mixing method continuously or be arranged at intervals with Cast-in-situs type external prestressing steel tube concrete pile, whole bending rigidity and Lateral resisting ability have been strengthened.In practice of construction process, undersized Cast-in-situs type external prestressing steel tube concrete pile can be set in independent cement mixing method, in the cement mixing method of the mutual interlock at raised type structure place, large-sized Cast-in-situs type external prestressing steel tube concrete pile be set.
Embodiment tetra-:
With reference to Fig. 4, the 4th embodiment of the present utility model and the first embodiment are basic identical, and the main distinction is that described top flange and bottom flange change platypelloid type into by original ellipse.
In addition, also have following difference, in the present embodiment, the distance between described upper through hole and steel pipe upper surface is 3m, reasonable in design, and what guaranteed that external prestressing applies carries out smoothly, and described a plurality of lower through holes and a plurality of upper through hole are symmetrical arranged.
The construction method of above-mentioned Cast-in-situs type external prestressing steel tube concrete pile, comprises following concrete steps:
A, described presstressed reinforcing steel, protecting pipe, sealing ring and steel pipe are assembled, form a steel pipe integral, stand-by;
B, employing cement-soil stirring pile construction machinery are constructed, and form cement mixing method;
C, by Pile feeder, steel pipe integral is put into cement mixing method, extract Pile feeder out, the pyramid enclosed construction of steel pipe bottom, reduced the resistance while sending into, if send into resistance or excessive, in cement mixing method, be equipped with high-pressure water pipe device, be used for dilution water earth, thereby reduce resistance;
D, from steel pipe upper end open to its inner concreting, the maintenance of vibrating;
E, when maintenance reaches after design strength, carry out external prestressing and apply.
The utlity model has following beneficial effect:
1, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model adopts external prestressing technology, and reasonable stress, can better retrain pile body, and stretching resistance is provided, and has effectively limited the distortion of supporting piling wall in Excavation Process;
2, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, can be according to designing requirement, cast in situs in cement mixing method, and pouring construction is convenient, has avoided the trouble of pile body spreading, has reduced cost of transportation;
3, compare with bored pile, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, the reinforcing bar adopting and concrete consumption are few, cost-saving, and little to ambient influnence.
4, compare with the stake of SMW engineering method, Cast-in-situs type external prestressing steel tube concrete pile of the present utility model, with respect to shaped steel, has increased intensity, has reduced cost of transportation, and does not need to pull out, avoided engineering to complete after the loss problem of pulling out of shaped steel.
5, supporting piling wall of the present utility model, adopts Cast-in-situs type external prestressing steel tube concrete pile, has good bending rigidity, and supporting intensity is high.
In sum, the utility model Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall, guarantee the safe and reliable of foundation pit supporting construction, there is again good economic benefit, easy construction, ambient influnence is little, has further met the demand that base pit engineering is built.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. a Cast-in-situs type external prestressing steel tube concrete pile, it is characterized in that, comprise: steel pipe, at the cast-in-place layer of concrete forming of described steel duct be arranged on many presstressed reinforcing steels on described steel pipe, described presstressed reinforcing steel is along the axis direction setting of steel pipe, comprise top section, interlude and end section, described interlude is positioned at steel pipe outside, and described top section and end section run through steel pipe tube wall and enter steel pipe inner side, the upper end open of described steel pipe, has an enclosed construction on bottom.
2. Cast-in-situs type external prestressing steel tube concrete pile according to claim 1, it is characterized in that, on the wall body of described steel pipe, have a plurality of upper through holes and a plurality of lower through hole, described top section runs through and enters steel duct from upper through hole, and section of the described end runs through and enters steel duct from lower through hole.
3. Cast-in-situs type external prestressing steel tube concrete pile according to claim 2, is characterized in that, described upper through hole is provided with sealing ring with the joint of top section, and the joint of described lower through hole and end section is provided with sealing ring.
4. Cast-in-situs type external prestressing steel tube concrete pile according to claim 3, is characterized in that, the outer wrap of described interlude has a protecting pipe, and the two ends of described protecting pipe are matched with upper through hole, lower through hole respectively.
5. Cast-in-situs type external prestressing steel tube concrete pile according to claim 2, is characterized in that, the distance between described upper through hole and steel pipe upper surface is 2m ~ 4m, and described a plurality of lower through holes and a plurality of upper through hole are symmetrical arranged.
6. Cast-in-situs type external prestressing steel tube concrete pile according to claim 1, is characterized in that, described enclosed construction is pyramid enclosed construction.
7. Cast-in-situs type external prestressing steel tube concrete pile according to claim 1, it is characterized in that, the cross section integral body of described steel pipe is dumbbell shape, comprise top flange, bottom flange and be arranged on the web between described top flange, bottom flange, in described top flange, be distributed with a plurality of tops section and end section, in described bottom flange, be distributed with a plurality of tops section and end section.
8. a supporting piling wall, it is characterized in that, described supporting piling wall comprises several cement mixing methods and be arranged on the Cast-in-situs type external prestressing steel tube concrete pile in described cement mixing method, and described Cast-in-situs type external prestressing steel tube concrete pile is the Cast-in-situs type external prestressing steel tube concrete pile described in claim 1 ~ 7 any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420330061.XU CN203924037U (en) | 2014-06-20 | 2014-06-20 | Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall |
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| CN201420330061.XU CN203924037U (en) | 2014-06-20 | 2014-06-20 | Cast-in-situs type external prestressing steel tube concrete pile and supporting piling wall |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099923A (en) * | 2014-06-20 | 2014-10-15 | 江苏鼎达建筑新技术有限公司 | Cast-in-place externally prestressed concrete-filled steel pipe pile and construction method thereof and support pile wall |
| CN114232620A (en) * | 2022-01-26 | 2022-03-25 | 甘肃省交通规划勘察设计院股份有限公司 | Large-diameter prestressed steel pipe concrete slide-resistant pile and construction method thereof |
-
2014
- 2014-06-20 CN CN201420330061.XU patent/CN203924037U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104099923A (en) * | 2014-06-20 | 2014-10-15 | 江苏鼎达建筑新技术有限公司 | Cast-in-place externally prestressed concrete-filled steel pipe pile and construction method thereof and support pile wall |
| CN104099923B (en) * | 2014-06-20 | 2016-08-24 | 江苏鼎达建筑新技术有限公司 | Cast-type external prestressing steel tube concrete pile and construction method thereof and supporting piling wall |
| CN114232620A (en) * | 2022-01-26 | 2022-03-25 | 甘肃省交通规划勘察设计院股份有限公司 | Large-diameter prestressed steel pipe concrete slide-resistant pile and construction method thereof |
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Address after: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee after: Jiangsu Dingda Building New Technology Co., Ltd. Patentee after: Changzhou Institute of building science group Limited by Share Ltd Address before: 213015 Jiangsu province Changzhou City Zhonglou District Mushu Road No. 10 Patentee before: Jiangsu Dingda Building New Technology Co., Ltd. Patentee before: Changzhou Architectural Research Institute Co., Ltd. |