CN102797262B - The construction treating methods of cast-in-situ triangular compound foundation pile - Google Patents
The construction treating methods of cast-in-situ triangular compound foundation pile Download PDFInfo
- Publication number
- CN102797262B CN102797262B CN201110139501.4A CN201110139501A CN102797262B CN 102797262 B CN102797262 B CN 102797262B CN 201110139501 A CN201110139501 A CN 201110139501A CN 102797262 B CN102797262 B CN 102797262B
- Authority
- CN
- China
- Prior art keywords
- pile
- triangle
- steel
- pile casting
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010276 construction Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 39
- 150000001875 compounds Chemical class 0.000 title claims abstract description 13
- 238000011065 in-situ storage Methods 0.000 title claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 97
- 239000010959 steel Substances 0.000 claims abstract description 97
- 238000005266 casting Methods 0.000 claims abstract description 84
- 230000002787 reinforcement Effects 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 241000277275 Oncorhynchus mykiss Species 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 23
- 239000002131 composite material Substances 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of soft soil foundation and be rapidly completed the construction treating methods of cast-in-place concrete triangle Large Compound Foundation stake, its method is inside and outside steel pile casting and pile top association to be executed shaking pressure make it quickly shake to sink to be formed at sub-surface designed elevation the triangular cavity body of three face seals, directly hang in steel reinforcement cage and casting concrete from top to bottom, the original position soil body again and between inside and outside steel pile casting forms construction treating methods and the technique of complete triangle Large Compound Foundation stake after merging, decapacitation of the present invention improves the overall anti-side sliding displacement capacity that also can strengthen composite foundation outside single pile bearing capacity, this invention can reduce construction cost more than 20%, reduce the unearthed amount 50% of construction, avoid the pollution that secondary desilting is transported, adapt to different soft layers and the construction of complex site.
Description
Technical field
The present invention relates to a kind of soft soil foundation that is applicable to and be rapidly completed the construction treating methods of cast-in-place concrete triangle Large Compound Foundation stake, this scheme is applicable to the construction of the compound foundation pile of all kinds of deep weak soil, backfill soil, can be widely applied in the Soft foundation treatment in sea wall composite pile foundation, the treatment of soft foundation of port and pier reclamation by pumping filling and other civil construction.
Background technology
At present, processing all kinds of harbours, harbour, water conservancy, airport, railway and the deep weak soil of building, in the pile foundation construction of backfill soil, the overwhelming majority still uses traditional construction technology, the most first large diameter single steel pile casting is squeezed into or is pressed in soil, pass through punching again, excavate or auger fetches earth, this construction method needs to discharge substantial amounts of earth in pore forming process, not only quantities is big, pollution is brought to site environment, but also again stained surrounding in secondary desilting is transported, simultaneously, substantial amounts of concrete need to be used when pouring into a mould pile body, the most time-consumingly take a lot of work, also increase engineering cost.
In order to overcome above-mentioned traditional method present in the work progress not enough, reduce construction cost, accelerating construction progress, it is to avoid secondary desilting transport is polluted, and adapts to different soil and the construction demand in place, becomes and to solve the technical problem that for the art of this patent scheme.
Summary of the invention
For the problems referred to above, it is desirable to provide a kind of soft soil foundation that is applicable to is rapidly completed the construction treating methods of cast-in-place concrete triangle Large Compound Foundation stake.
For realizing this technical purpose, the solution of the present invention is:
(1) construction treating methods of a kind of cast-in-situ triangular compound foundation pile: its equipment is hammered into shape by medium-high frequency hydraulic pressure or electric vibrating1, ring flange2, special fixture chute crossbeam3, moving telescopic chuck4, circular outer steel pile casting6, steel pile casting in triangle7Solid pile top is sealed with triangular reinforced bar concrete9Composition, its construction treating methods step is as follows:
A, determine pile foundation center and bury respectively and put the solid pile top of triangular reinforced bar concrete well.
B, the portable stake machine of startup, open medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top, and make steel pile casting in triangle7Bottom build-in is in the solid pile top of triangular reinforced bar concrete9At the water jacket of upper end8, start to execute pressure of shaking and make inside and outside steel pile casting and pile top association quickly be shaken to sink at sub-surface designed elevation, form triangular cavity body, unclamp moving telescopic chuck simultaneously4, remove medium-high frequency hydraulic pressure or electric vibrating hammer1。
C, after completing above-mentioned construction treating methods step b operation, the steel reinforcement cage made steel pile casting in triangle from top to bottom7Inner chamber in hang, from concrete pours into5Cast concrete, after concrete pours, new startup medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top is executed and is shaken, after first vibrating 5 seconds, and the concrete watered in checking triangular chamber, and supply concrete until meeting designed elevation, then promote at a slow speed circular outer steel pile casting6With steel pile casting in triangle7Until going out at ground, and next guide pile of dislocation to be onstructed；Repeat above-mentioned construction treating methods step b, c constructs again.
(2) as the construction treating methods of this patent, its feature also includes: pile top is triangle steel flapper pile tip13Construction method, its construction procedure is as follows:
A, according to treatment of soft foundation Pile Foundations Design construction drawing setting-out at the scene, determine pile foundation center and bury respectively and put telltale mark well.
B, the portable stake machine of startup, open medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top, and make steel pile casting in triangle7The triangle steel flapper pile tip that bottom is hinged13Guan Bi, starts to execute pressure of shaking and makes inside and outside steel pile casting and pile top association quickly be shaken to sink at sub-surface designed elevation, form triangular cavity body, unclamp moving telescopic chuck simultaneously4, remove medium-high frequency hydraulic pressure or electric vibrating hammer1。
C, after completing above-mentioned construction treating methods step b operation, the steel reinforcement cage made steel pile casting in triangle from top to bottom7Inner chamber in hang, from concrete pours into5Cast concrete, after concrete pours, restarts medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top is executed and is shaken, after first vibrating 5 seconds, and the concrete watered in checking triangular chamber, and supply concrete until meeting designed elevation, then promote at a slow speed inside and outside steel pile casting until going out at ground, and next guide pile of dislocation to be onstructed；Repeat above-mentioned construction treating methods step b, c constructs again.
As the construction treating methods of this patent, the soft soil major part that described pile top is arranged when sinking to sub-surface is along circular outer steel pile casting6With steel pile casting in triangle7Between cavity boost sliding casting10, at the pile top of remainder, soft soil is pressed against inter-pile soil12In, and compacted undisturbed soil, at the outer steel pile casting of circle6Under protection, the soil body construction stress between stake and stake can fully discharge.
As the construction treating methods of this patent, described cast-in-place concrete triangular pile has poured after inner chamber body supplies concrete, starts medium-high frequency hydraulic pressure or electric vibrating hammer1, can be first steel pile casting in triangle7Extricate oneself from a predicament and brace oneself up to action at a slow speed ground, then outer for circle steel pile casting6Extricate oneself from a predicament and brace oneself up to action at a slow speed ground.
The construction treating methods of this patent is as being rapidly completed the compound foundation pile that in Soft Ground, cast-in-place concrete triangle is large-scale, decapacitation improves the overall anti-side sliding displacement capacity that also can strengthen composite foundation outside single pile bearing capacity, and this scheme can reduce construction cost more than 20%, reduce construction and be unearthed amount 50%, the pollution avoiding secondary desilting to transport, the construction that adapts to different soft layers and complex site.
Accompanying drawing explanation
Fig. 1 is the complete composite technology principle schematic of the present invention.
Fig. 2 is the triangle cast-in-place concrete compound foundation pile floor map of the present invention.
Fig. 3 is that the special triangular reinforced bar concrete of the present invention seals solid pile top schematic diagram.
Fig. 4 is special triangle steel flapper pile tip and the steel hinged link schematic diagram of the present invention.
Its description of reference numerals: medium-high frequency hydraulic pressure or electric vibrating hammer1, ring flange2, special fixture chute crossbeam3, moving telescopic chuck4, concrete pour into place5, circular outer steel pile casting6, steel pile casting in triangle7, triangular reinforced bar concrete seal solid pile top water jacket8, triangular reinforced bar concrete seal solid pile top9, cavity soil discharge channel between inside and outside steel pile casting10, pour after triangular reinforced bar concrete stake11, pile top shakes the soft soil arranged when sinking to sub-surface12, triangle steel flapper pile tip13, steel is articulated and connected head14。
Detailed description of the invention
Below in conjunction with the accompanying drawings and be embodied as the technology of the present invention is described in further details:
One, as shown in accompanying drawing 1,2,3,4, the construction treating methods of this patent provides a kind of by hammering into shape with medium-high frequency hydraulic pressure or electric vibrating1, ring flange2, special fixture chute crossbeam3, moving telescopic chuck4The association of equipment composition, simultaneously steel pile casting outer to circle6With steel pile casting in triangle7Upper-end part of driving clamps, and makes steel pile casting in triangle7Bottom build-in is in the solid pile top of triangular reinforced bar concrete9At the water jacket of upper end8, start medium-high frequency hydraulic pressure or electric vibrating hammer1Implement to shake pressure, make circle steel pile casting outward6, steel pile casting in triangle7Pile top solid with triangular reinforced bar concrete9Association is shaken the most simultaneously and is sunk to sub-surface, forms triangular cavity body, casting concrete, the operation construction technology of inside and outside steel pile casting of extricating oneself from a predicament and brace oneself up to action at a slow speed.
Two, hammer into shape at medium-high frequency hydraulic pressure or electric vibrating1, ring flange2, special fixture chute crossbeam3, moving telescopic chuck4Under common force, make the outer steel pile casting of circle6With steel pile casting in triangle7Pile top solid with triangular reinforced bar concrete9Forming triangular cavity in making the soil body under fast synergistic effect, the soft soil major part that pile top is arranged when sinking to sub-surface is along the outer steel pile casting of circle6With steel pile casting in triangle7Between cavity boost sliding casting10, at the pile top of remainder, soft soil is pressed against inter-pile soil12In, and compacted undisturbed soil, at the outer steel pile casting of circle6Under protection, stake can fully discharge with the construction stress of inter-pile soil, it is ensured that pile quality.
Three, before casting concrete, first steel reinforcement cage must be hung in steel pile casting in triangle from top to bottom7After in cavity, then steel pile casting in triangle7Upper end filling concrete enters place5Casting concrete, this kind of construction technology can be easily by steel pile casting in triangle7Upper end is intuitively understood and is observed the concrete situation poured, it is simple to effectively manage construction.
If four pile crowns use triangle steel flapper pile tip13, and be articulated and connected head by steel14With steel pile casting in triangle7Bottom is hinged, when practice of construction, still follows the step 2 in above-mentioned detailed description of the invention, three patterns are constructed.
Five, the special equipment of this patent construction treating methods is mainly three part compositions: Part I is for hammering into shape with medium-high frequency hydraulic pressure or electric vibrating1, ring flange 2 and special fixture chute crossbeam3, moving telescopic chuck4Association's equipment of composition；The outer steel pile casting of Part II circle6With steel pile casting in triangle7Composition；Part III is the solid pile top of triangular reinforced bar concrete9Or be triangle steel flap valve pile crown13And steel is articulated and connected head14Composition.
The employing of the construction treating methods of this patent is truly realized energy-saving and emission-reduction, avoids secondary desilting transport and pollute, shorten construction period, efficiently construct, and ensures safety and guarantees the quality, plays specially good effect under the urban architecture environment of Special complex.
Specific implementation method and result
One, the cast-in-place concrete triangle Large Compound Foundation stake type of steel reinforcement cage is put
A, determine pile foundation center and bury respectively and put the solid pile top of triangular reinforced bar concrete well, starting portable stake machine, open medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top, and make steel pile casting in triangle7Bottom build-in is in the solid pile top of triangular reinforced bar concrete9At the water jacket of upper end8, start to execute pressure of shaking and make inside and outside steel pile casting and pile top association quickly be shaken to sink at sub-surface designed elevation, form triangular cavity body, unclamp moving telescopic chuck simultaneously4, remove medium-high frequency hydraulic pressure or electric vibrating hammer1。
B, after completing above-mentioned specific implementation method and result first kind a step process, the steel reinforcement cage made is hung onto steel pile casting in triangle7In inner chamber, after steel reinforcement cage localization examination completes, steel pile casting in triangle7Upper end filling concrete enters place5Casting concrete, after concrete pours, restarts medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top is executed and is shaken, after first vibrating 5 seconds, and the concrete watered in checking triangular chamber, and supply concrete until meeting designed elevation, then promote at a slow speed circular outer steel pile casting6With steel pile casting in triangle7Until going out at ground, and next guide pile of dislocation to be onstructed；Repeat above-mentioned specific implementation method and result first kind a, b step are constructed again.
Two, cast-in-place plain concrete triangle Large Compound Foundation stake type
A, construct by above-mentioned specific implementation method and result first kind a step process.
B, after completing above-mentioned specific implementation method and result Second Type a step process, directly steel pile casting in triangle7Upper end filling concrete enters place5Casting concrete, after concrete pours, restarts medium-high frequency hydraulic pressure or electric vibrating hammer1, by the ring flange connected2With special fixture chute crossbeam3, moving telescopic chuck4, the circular outer steel pile casting of clamping6With steel pile casting in triangle7Top is executed and is shaken, after first vibrating 5 seconds, and the concrete watered in checking triangular chamber, and supply concrete until meeting designed elevation, then promote at a slow speed circular outer steel pile casting6With steel pile casting in triangle7Until going out at ground, and next guide pile of dislocation to be onstructed；Repeat above-mentioned specific implementation method and result Second Type a, b step are constructed again.
The above, only preferable case study on implementation in the technology of the present invention arrangement and method for construction, the every trickle amendment of any essence, equivalent and improvement made above case study on implementation according to the technology of the present invention, within should be included in the protection domain of technical solution of the present invention.
Claims (3)
1. the construction treating methods of a cast-in-situ triangular compound foundation pile: its equipment is hammered into shape (1), ring flange (2), special fixture chute crossbeam (3), moving telescopic chuck (4) by medium-high frequency hydraulic pressure or electric vibrating, in circular outer steel pile casting (6), triangle, steel pile casting (7), triangular reinforced bar concrete seal solid pile top (9) composition, and its construction treating methods step is as follows:
A, determine pile foundation center and bury respectively and put the solid pile top of triangular reinforced bar concrete well；
B, start portable stake machine, open medium-high frequency hydraulic pressure or electric vibrating hammer (1), by the ring flange (2) connected and special fixture chute crossbeam (3), moving telescopic chuck (4), steel pile casting (7) top in the circular outer steel pile casting (6) of clamping and triangle, and in making triangle steel pile casting (7) bottom build-in at the water jacket of triangular reinforced bar concrete solid pile top (9) upper end (8), start to execute pressure of shaking to make inside and outside steel pile casting and pile top association quickly be shaken to sink at sub-surface designed elevation simultaneously, form triangular cavity body, unclamp moving telescopic chuck (4), remove medium-high frequency hydraulic pressure or electric vibrating hammer (1)；
C, after completing above-mentioned b step operation, the steel reinforcement cage made from top to bottom is hung the inner chamber of steel pile casting (7) in triangle, (5) cast concrete from concrete pours into, after concrete pours, restart medium-high frequency hydraulic pressure or electric vibrating hammer (1), by the ring flange (2) connected and special fixture chute crossbeam (3), moving telescopic chuck (4), in the circular outer steel pile casting (6) of clamping and triangle, steel pile casting (7) top is executed and is shaken, after first vibration 5 seconds, the concrete watered in checking triangular chamber, and supply concrete until meeting designed elevation, promote the most at a slow speed circular outer steel pile casting (6) and interior steel pile casting (7) until going out ground, and it is to be onstructed at next guide pile of dislocation；Repeat above-mentioned b, step c is constructed again.
Construction treating methods the most according to claim 1, it is further characterized in that: pile crown also can use triangle steel flapper pile tip (13), triangle steel flapper pile tip (13) is articulated with steel pile casting (7) bottom in triangle by the steel head (14) that is articulated and connected, triangle steel flapper pile tip (13) start to shake sink to sub-surface before need first to close, other construction procedure operation, still by above-mentioned b, step c construction.
Construction treating methods the most according to claim 1, it is further characterized in that: described triangle in situ concrete pile is pouring after inner chamber body supplies concrete, first steel pile casting in triangle (7) can be extricated oneself from a predicament and brace oneself up to action at a slow speed ground, outer for circle steel pile casting (6) is extricated oneself from a predicament and brace oneself up to action at a slow speed ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139501.4A CN102797262B (en) | 2011-05-26 | 2011-05-26 | The construction treating methods of cast-in-situ triangular compound foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110139501.4A CN102797262B (en) | 2011-05-26 | 2011-05-26 | The construction treating methods of cast-in-situ triangular compound foundation pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102797262A CN102797262A (en) | 2012-11-28 |
| CN102797262B true CN102797262B (en) | 2016-08-03 |
Family
ID=47196543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110139501.4A Active CN102797262B (en) | 2011-05-26 | 2011-05-26 | The construction treating methods of cast-in-situ triangular compound foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102797262B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061353B (en) * | 2013-01-05 | 2015-01-07 | 台山市宁华电力设计有限公司 | Windproof reinforced concrete rod sleeve base |
| CN105019432B (en) * | 2013-10-24 | 2018-01-30 | 叶香雄 | A kind of construction method of reaming end-bearing pile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462827A (en) * | 2003-06-21 | 2003-12-24 | 阎瑞明 | Construction for making piles and tools |
| JP2006219850A (en) * | 2005-02-09 | 2006-08-24 | Yoshitada Miyake | Construction method for field-created pile |
| CN2823331Y (en) * | 2005-02-16 | 2006-10-04 | 周兆弟 | Static pressure static pulling cast-in situ pile shaper |
| CN101575852A (en) * | 2008-05-10 | 2009-11-11 | 夏传清 | Construction method of wall-retaining bottom-expanding sinking-pipe cast-in-situ piles |
| CN101705682A (en) * | 2009-10-30 | 2010-05-12 | 河海大学 | Valve pile tip structure device of cast-in-place X-shaped concrete pile and using method thereof |
| CN101768970A (en) * | 2010-01-14 | 2010-07-07 | 王继忠 | Construction method of concrete pile |
| CN201826302U (en) * | 2010-08-01 | 2011-05-11 | 常雷 | Boring device for large-diameter cast-in-situ thin-walled concrete composite pile |
| CN202323934U (en) * | 2011-05-26 | 2012-07-11 | 常雷 | Hole forming device for cast-in-situ triangular composite foundation pile |
-
2011
- 2011-05-26 CN CN201110139501.4A patent/CN102797262B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1462827A (en) * | 2003-06-21 | 2003-12-24 | 阎瑞明 | Construction for making piles and tools |
| JP2006219850A (en) * | 2005-02-09 | 2006-08-24 | Yoshitada Miyake | Construction method for field-created pile |
| CN2823331Y (en) * | 2005-02-16 | 2006-10-04 | 周兆弟 | Static pressure static pulling cast-in situ pile shaper |
| CN101575852A (en) * | 2008-05-10 | 2009-11-11 | 夏传清 | Construction method of wall-retaining bottom-expanding sinking-pipe cast-in-situ piles |
| CN101705682A (en) * | 2009-10-30 | 2010-05-12 | 河海大学 | Valve pile tip structure device of cast-in-place X-shaped concrete pile and using method thereof |
| CN101768970A (en) * | 2010-01-14 | 2010-07-07 | 王继忠 | Construction method of concrete pile |
| CN201826302U (en) * | 2010-08-01 | 2011-05-11 | 常雷 | Boring device for large-diameter cast-in-situ thin-walled concrete composite pile |
| CN202323934U (en) * | 2011-05-26 | 2012-07-11 | 常雷 | Hole forming device for cast-in-situ triangular composite foundation pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102797262A (en) | 2012-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102425159B (en) | Pile cutting construction method of bored concrete pile | |
| CN103498486B (en) | A kind of sleeve pipe that adopts implements the method for shutoff to ater-casting precipitation pipe well | |
| CN104988915B (en) | A kind of prefabricated installation method of detachable steel casing and under water connection beam | |
| CN101614020A (en) | Flexible bladder type anti-corrosive apparatus and use the anticorrosion stake and the job practices of this device | |
| CN101225664A (en) | Caisson dock structure and construction method therefor | |
| CN105442605A (en) | Construction method for drawing out prestress high concrete (PHC) pile and reusing PHC pile for retaining in deep excavation | |
| CN201826302U (en) | Boring device for large-diameter cast-in-situ thin-walled concrete composite pile | |
| CN102828507B (en) | The construction treating methods of major diameter cast-in-situ concrete composite pile | |
| CN104652495B (en) | Internal support of foundation pit column and base plate node waterproof construction technology | |
| CN104563118A (en) | Full sleeve vibration soil sampling prefabricating pouring composite pile construction method | |
| CN102345287B (en) | Construction method of large-diameter cast-in-situ thin-wall concrete composite pile forming device | |
| CN102002945A (en) | Capsule type anti-corrosion device with pile shoe and anti-corrosion and construction method using device | |
| CN107587502A (en) | A kind of spiral-digging pore pressure pour water soil occlusion curtain pile construction method | |
| CN102888847A (en) | Construction method free from lowering water level for local deep foundation pit of elevator shaft | |
| CN102797262B (en) | The construction treating methods of cast-in-situ triangular compound foundation pile | |
| CN102677657B (en) | Townhouse waters the construction treating methods of knot thin-walled concrete composite pile wall | |
| CN207862925U (en) | A kind of slip casting casing device | |
| CN203768925U (en) | Seal device for dewatering well in foundation pit | |
| CN205776282U (en) | A kind of immersed tube tunnel rebuilds cofferdam structure | |
| CN102808406B (en) | The construction treating methods of townhouse composite pile wall | |
| CN202323934U (en) | Hole forming device for cast-in-situ triangular composite foundation pile | |
| CN207109804U (en) | A kind of quick spreading structure configuration of soft soil foundation bored concrete pile | |
| CN101250874B (en) | Cast-in-situ large diameter pipe pile valve pile shoe as well as use method | |
| CN203514332U (en) | Casing for blocking dewatering tube well of post-cast strip | |
| CN102409701A (en) | Concrete wall construction joint processing method and structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210518 Address after: 102308 046, 6th floor, building 2, yard 5, Longxing south 2nd Road, Mentougou District, Beijing Patentee after: Beijing Kaitai Construction Engineering Co.,Ltd. Address before: 518031 1-205, Jinhua xinju, HUAFA South Road, Futian District, Shenzhen City, Guangdong Province Patentee before: Chang Lei |
|
| TR01 | Transfer of patent right |