CN104452743A - Ordinary deformed steel bar prefabricated square pile and connecting method - Google Patents
Ordinary deformed steel bar prefabricated square pile and connecting method Download PDFInfo
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- CN104452743A CN104452743A CN201410523624.1A CN201410523624A CN104452743A CN 104452743 A CN104452743 A CN 104452743A CN 201410523624 A CN201410523624 A CN 201410523624A CN 104452743 A CN104452743 A CN 104452743A
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- screw threads
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 34
- 238000003466 welding Methods 0.000 claims abstract description 19
- 230000003014 reinforcing effect Effects 0.000 claims description 33
- 239000010410 layer Substances 0.000 claims description 30
- 239000011347 resin Substances 0.000 claims description 30
- 229920005989 resin Polymers 0.000 claims description 30
- 239000004744 fabric Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 239000003513 alkali Substances 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract description 3
- 210000003371 toe Anatomy 0.000 abstract 6
- 239000013535 sea water Substances 0.000 abstract 1
- 229910000754 Wrought iron Inorganic materials 0.000 description 14
- 239000004567 concrete Substances 0.000 description 8
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 210000003205 muscle Anatomy 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/52—Piles composed of separable parts, e.g. telescopic tubes ; Piles composed of segments
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/60—Piles with protecting cases
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses an ordinary deformed steel bar prefabricated square pile and a connecting method. The ordinary deformed steel bar prefabricated square pile is characterized in that sleeves with the internal diameter larger than that of an ordinary deformed steel bar used in a reinforcement cage are arranged at the back end of pile toes and one ends of unit piles, ordinary deformed steel bar rebar heads which extend out of hoops and can be inserted into the internal diameter parts of the sleeves are arranged at the other ends of the unit piles and are extending parts of the ordinary deformed steel bar used in the reinforcement cage, the pile toes and the unit piles are connected in the manner that the rebar heads extending out of the hoops of the unit piles are inserted into the sleeves at the back ends of the pile toes and the hoops on the pile toes and the hoops on the unit piles are welded, and the unit piles are connected in the manner that the rebar heads extending out of the hoop of one unit pile are inserted into the sleeve of the other unit pile, and the hoops of the two unit piles are connected through welding. The technology comprises the steps that the unit piles and the pile toes are manufactured, then the pile toes are manufactured, and the unit piles are connected. The technology has the advantages of being simple, high in working efficiency and corrosion preventing capacity, long in service life and the like and especially suitable for ocean, saline-alkali soil and other seawater environments.
Description
Technical field
The present invention relates to the ground of building, specifically a kind of easy construction, long service life, the regular screw threads steel precast square pile that anti seismic efficiency is good and method of attachment.
Background technology
As everyone knows, the ground of building generally all adopts precast square pile, precast square pile generally adopts prestressed concrete pile, prestressed concrete pile makes the unit stake of 7-15 rice by prestressed reinforcement cage and concrete, unit stake two ends are provided with the metal end plate and cuff that are connected with reinforcing cage, the main muscle of reinforcing cage adopts high pre-stress rod iron, first by rod iron two ends heading during the stretch-draw of rod iron, again rod iron is inserted corresponding metal foil and be provided with locating hole inner position, because locating hole is less than rod iron heading diameter at diameter, so diameter need be provided be greater than rod iron heading diameter in the side at locating hole, what coincide with locating hole radius passes hole, during assembling reinforcing cage, first rod iron two ends are upset as heading, then rod iron is passed from through hole, again rod iron is moved in metal foil locating hole, to realize being located by connecting of rod iron and metal foil, then select diameter to be not more than 6mm reinforcing bar and adopt slip welding method to weld spiral stirrup, to form reinforcing cage and be provided with drag hook outside the metal end plate of reinforcing cage two ends, the prestressing force of the rod iron in reinforcing cage is pulled to 0.7-0.9 [σ] by puller system, its intensity meet every square millimeter be greater than 1420 Ns after, make antirust treatment and fluid concrete, when concrete strength reaches 60-70%, unclamp tensioning equipment and mould unloading obtains unit stake, according to the degree of depth of stake during use, adopt welding method that the cuff of prefabricated unit stake through end is welded to form pile body, the deficiency of this high pre-stress square pile is that design is unreasonable, Main Function due to stake supports building, the pressure of the mainly building born, but what this square pile adopted is that high pre-stress rod iron is made, because the prestressing of rod iron is very large, so the supporting capacity of pile body decreases, due in the process of tension reinforcing steel bar cage, the stressed difference of every root rod iron in reinforcing cage, so the prestressing force of every root reinforcing bar is not identical, reduce the anti-seismic performance of unit stake, in addition, connection between pile body only adopts cuff to be welded, bonding strength reduces, cuff surface does not have safeguard measure, antiseptic power is poor, air or corrosive medium are easily to cuff and reinforcing bar, concrete corrodes, particularly in ocean, the briny environments such as saline-alkali soil can cause building shortening in application life when using.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, provide that a kind of technique is simple, supporting capacity is high, corrosion resistance is high, the regular screw threads steel precast square pile of long service life and method of attachment.
The technical solution adopted for the present invention to solve the technical problems is.
A kind of regular screw threads steel precast square pile, joined end to end by the stake of at least one joint unit and pile top and form, the two ends of unit stake are respectively equipped with cuff, it is characterized in that pile top rear end and unit stake one end are provided with internal diameter and are greater than the sleeve of regular screw threads steel that reinforcing cage uses, the other end of unit stake is provided with and stretches out cuff and the regular screw threads steel steel bar end that can insert sleeve diameter, regular screw threads steel steel bar end is the extension of the regular screw threads steel that reinforcing cage uses, the connection of pile top and unit stake is that the steel bar end stretching out unit pile protection hoop inserts in the sleeve of pile top rear end, cuff in cuff in pile top and unit stake is weldingly connected, connection between unit stake is that the steel bar end stretching out unit pile protection hoop inserts in the sleeve of another unit stake, the cuff of two unit stakes is through being weldingly connected, to form interior muscle, the dual link of overcoat, add the integrated connection intensity of stake, simultaneously, interior joint bar serves again a positioning action, be convenient to the welding of cuff.
The present invention can be provided with glue-line between steel bar end and sleeve, makes the integrated connection intensity that steel bar end and sleeve connection are more firm, add stake.
Cuff of the present invention is by the square tubular closed by junction plate in one end, the thickness of junction plate is 8-16mm, the thickness of barrel is 1.0-2.0mm, junction plate is provided with the through hole that the regular screw threads on reinforcing cage pass, cuff to be sleeved on reinforcing cage and to be positioned at the both ends of reinforcing cage, junction plate outer end is provided with the welding angle of gradient, and the welding angle of gradient is generally 30-60 ° to facilitate the connection between unit stake.
Cuff sectional dimension of the present invention is less than the sectional dimension of unit stake pile body; anti-corrosion resin layer can be scribbled on the cuff be connected; anti-corrosion resin layer is wound around cloth topping outward; the gross thickness of anti-corrosion resin layer and cloth topping is no more than 2.0mm, to prevent from corroding cuff, regular screw threads steel and concrete.
The two ends of sleeve of the present invention are provided with the internal thread hole matched with steel bar end, also can be provided with in one end of sleeve the endoporus matched with steel bar end, and the other end and regular screw threads steel are weldingly connected, and regular screw threads steel parallels with stake axis.。
The method of attachment of a kind of regular screw threads steel precast square pile, is characterized in that processing step is as follows:
Step one, production unit stake and pile top, unit stake two ends are respectively equipped with cuff, one end of unit stake is provided with the sleeve be connected with the grafting of regular screw threads steel, the other end is provided with and stretches out the steel bar end that cuff inserts the regular screw threads steel extension in sleeve, pile top rear end is provided with cuff, be provided with the sleeve be connected with the grafting of regular screw threads steel in cuff, sleeve is provided with the endoporus inserting steel bar end
Step 2, dress pile top; first strengthening glue is poured in the sleeve of pile top rear end; the steel bar end again unit stake being stretched out cuff inserts in the sleeve of pile top rear end; but the cuff of pile top and unit stake is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer, anti-corrosion resin layer is wound around fibrous protective layer outward, and the gross thickness of anti-corrosion resin layer and fibrous protective layer is no more than 2.0mm; to prevent from corroding cuff, regular screw threads steel and concrete etc.
The connection of step 3, unit stake; injection reinforcing cementing agent in the sleeve of unit stake; by in the unit stake steel bar end that stretches out cuff reinforcing bar head end insert in sleeve; again the cuff of two unit stakes is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer; anti-corrosion resin layer is wound around fibrage topping outward, and the gross thickness of anti-corrosion resin layer and fibrage topping is no more than 1.5mm, is namely no more than pile body cross section.
The face of weld of the cuff welding described in step 2 of the present invention is no more than cuff face, to prevent the diameter of section at cuff place to be greater than pile body diameter of section, to prevent resistance stake phenomenon.
When the present invention constructs, cementing agent is injected by the sleeve of pile top rear end, again unit stake reinforcing bar head end be connected with pile top sleeve and squeeze in stake holes, cementing agent is injected again in the sleeve of first stake rear end, then to sling another unit stake, and the exposed steel bar head of another unit stake is inserted in the sleeve of underground pile, carry out the welding of cuff again, smear, be wound around overcoat, to reaching projected depth, muscle in such formation, the dual connection pile of overcoat, improve the bonding strength that pile top is connected with between unit stake and unit stake, add the integrated connection intensity of stake, simultaneously, interior joint bar serves again a positioning action, be convenient to the welding of cuff, improve pile extension speed and speed of application, there is technique simple, operating efficiency is high, corrosion protection ability is strong, the top grade points such as long service life, particularly suitable Yu Haiyang, the briny environments such as saline-alkali soil use.
accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention.
Fig. 2 is a kind of structural representation of pile top in the present invention.
Fig. 3 is a kind of structural representation of unit stake in the present invention.
Fig. 4 is a kind of structural representation of cuff in the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in the figure, a kind of regular screw threads steel precast square pile, joined end to end by least one joint unit stake 1 and pile top 2 and form, the two ends of unit stake 1 are respectively equipped with cuff 5, the structure of above-mentioned each ingredient and the interconnected relationship between them same as the prior art, this does not repeat, the invention is characterized in that pile top 2 rear end and unit stake 1 one end are provided with internal diameter and are greater than the sleeve 3 of regular screw threads steel that reinforcing cage 8 uses, the other end of unit stake 1 is provided with and stretches out cuff and the regular screw threads steel steel bar end 4 that can insert sleeve diameter, regular screw threads steel steel bar end 4 is the extension of the regular screw threads steel that reinforcing cage 8 uses, pile top 2 is that the steel bar end 4 stretching out unit pile protection hoop 5 inserts in the sleeve 3 of pile top rear end with the connection of unit stake 1, cuff 5 in pile top 2 is weldingly connected with the cuff 5 in unit stake 1, cuff 5 is by the square tubular closed by junction plate 6 in one end, the thickness of junction plate 6 is 8-16mm, the thickness of barrel 7 is 1.0-2.0mm, junction plate 6 is provided with the through hole that the regular screw threads on reinforcing cage 8 pass, cuff 5 to be contained on reinforcing cage and to be positioned at the both ends of reinforcing cage 8, junction plate 6 outer end is provided with the welding angle of gradient, the welding angle of gradient is generally 30-60 ° to facilitate the connection between unit stake, cuff 5 sectional dimension is less than the sectional dimension of unit stake 1 pile body, anti-corrosion resin layer can be scribbled on the cuff be connected to reach, anti-corrosion resin layer is wound around cloth topping outward, anti-corrosion resin layer is substantially equal with cloth topping, anti-corrosion resin layer and cloth topping are generally no more than 1.0 mm, the gross thickness of anti-corrosion resin layer and cloth topping is no more than 3.0mm, to prevent from corroding cuff, regular screw threads steel and concrete, also the size after making cuff increase anti-corrosion resin layer and cloth topping is in addition no more than the chi mistake of unit stake, to facilitate the construction of foundation pile, connection between unit stake 1 is that the steel bar end stretching out unit pile protection hoop 5 inserts in the sleeve 2 of another unit stake, the cuff 5 of two unit stakes 1 is through being weldingly connected, on two, the junction plate of cuff 5 is provided with the welding angle of gradient, at this moment two junction plates 6 relatively after the welding angle of gradient be generally 60-120 °, the present invention can be provided with glue-line between steel bar end and sleeve 3, make steel bar end and sleeve connection more firm, add the integrated connection intensity of stake, that is in sleeve 3, glue is injected, again steel bar end is inserted in sleeve 3, in addition, the two ends of sleeve 3 of the present invention are provided with the internal thread hole matched with steel bar end, also can be provided with in one end of sleeve 3 endoporus matched with steel bar end, the other end and regular screw threads steel are weldingly connected, regular screw threads steel parallels with stake axis.
The method of attachment of a kind of regular screw threads steel precast square pile, is characterized in that processing step is as follows:
Step one, production unit stake and pile top, unit stake two ends are respectively equipped with cuff, one end of unit stake is provided with the sleeve be connected with the grafting of regular screw threads steel, the other end is provided with and stretches out the steel bar end that cuff inserts the regular screw threads steel extension in sleeve, pile top rear end is provided with cuff, be provided with the sleeve be connected with the grafting of regular screw threads steel in cuff, sleeve is provided with the endoporus inserting steel bar end
Step 2, dress pile top; first strengthening glue is poured in the sleeve of pile top rear end; the steel bar end again unit stake being stretched out cuff inserts in the sleeve of pile top rear end; but the cuff of pile top and unit stake is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer, anti-corrosion resin layer is wound around fibrous protective layer outward, and the gross thickness of anti-corrosion resin layer and fibrous protective layer is no more than 3.0mm; to prevent from corroding cuff, regular screw threads steel and concrete etc.
The connection of step 3, unit stake; injection reinforcing cementing agent in the sleeve of unit stake; by in the unit stake steel bar end that stretches out cuff reinforcing bar head end insert in sleeve; again the cuff of two unit stakes is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer; anti-corrosion resin layer is wound around fibrage topping outward, and the gross thickness of anti-corrosion resin layer and fibrage topping is no more than 1.5mm, is namely no more than pile body cross section.
The face of weld of the cuff welding described in step 2 of the present invention is no more than cuff face, to prevent the diameter of section at cuff place to be greater than pile body diameter of section, to prevent resistance stake phenomenon.
When the present invention constructs, cementing agent is injected by the sleeve of pile top rear end, again unit stake reinforcing bar head end be connected with pile top sleeve and squeeze in stake holes, cementing agent is injected again in the sleeve of first stake rear end, then to sling another unit stake, and the exposed steel bar head of another unit stake is inserted in the sleeve of underground pile, carry out the welding of cuff again, smear, be wound around overcoat, to reaching projected depth, muscle in such formation, the dual connection pile of overcoat, improve the bonding strength that pile top is connected with between unit stake and unit stake, add the integrated connection intensity of stake, simultaneously, interior joint bar serves again a positioning action, be convenient to the welding of cuff, improve pile extension speed and speed of application, there is technique simple, operating efficiency is high, corrosion protection ability is strong, the top grade points such as long service life, particularly suitable Yu Haiyang, the briny environments such as saline-alkali soil use.
Claims (8)
1. a regular screw threads steel precast square pile, joined end to end by the stake of at least one joint unit and pile top and form, the two ends of unit stake are respectively equipped with cuff, it is characterized in that pile top rear end and unit stake one end are provided with internal diameter and are greater than the sleeve of regular screw threads steel that reinforcing cage uses, the other end of unit stake is provided with and stretches out cuff and the regular screw threads steel steel bar end that can insert sleeve diameter, regular screw threads steel steel bar end is the extension of the regular screw threads steel that reinforcing cage uses, the connection of pile top and unit stake is that the steel bar end stretching out unit pile protection hoop inserts in the sleeve of pile top rear end, cuff in cuff in pile top and unit stake is weldingly connected, connection between unit stake is that the steel bar end stretching out unit pile protection hoop inserts in the sleeve of another unit stake, the cuff of two unit stakes is through being weldingly connected.
2. a kind of regular screw threads steel precast square pile according to claim 1, is characterized in that being provided with glue-line between steel bar end and sleeve.
3. a kind of regular screw threads steel precast square pile according to claim 1, it is characterized in that cuff is by the square tubular closed by junction plate in one end, the thickness of junction plate is 8-16mm, the thickness of barrel is 1.0-2.0mm, junction plate is provided with the through hole that the regular screw threads on reinforcing cage pass, cuff to be sleeved on reinforcing cage and to be positioned at the both ends of reinforcing cage, and junction plate outer end is provided with the welding angle of gradient, and the welding angle of gradient is generally 30-60 °.
4. a kind of regular screw threads steel precast square pile according to claim 1, is characterized in that cuff sectional dimension is less than the sectional dimension of unit stake pile body.
5. a kind of regular screw threads steel precast square pile according to claim 1, it is characterized in that the cuff that is connected scribbles anti-corrosion resin layer, anti-corrosion resin layer is wound around cloth topping outward, and the gross thickness of anti-corrosion resin layer and cloth topping is no more than 3.0mm.
6. a kind of regular screw threads steel precast square pile according to claim 1, it is characterized in that the two ends of sleeve are provided with the internal thread hole matched with steel bar end, regular screw threads steel parallels with stake axis.
7. a regular screw threads steel precast square pile method of attachment, is characterized in that processing step is as follows:
Step one, production unit stake and pile top, unit stake two ends are respectively equipped with cuff, one end of unit stake is provided with the sleeve be connected with the grafting of regular screw threads steel, the other end is provided with and stretches out the steel bar end that cuff inserts the regular screw threads steel extension in sleeve, pile top rear end is provided with cuff, be provided with the sleeve be connected with the grafting of regular screw threads steel in cuff, sleeve is provided with the endoporus inserting steel bar end
Step 2, dress pile top; first strengthening glue is poured in the sleeve of pile top rear end; the steel bar end again unit stake being stretched out cuff inserts in the sleeve of pile top rear end; but the cuff of pile top and unit stake is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer; anti-corrosion resin layer is wound around fibrous protective layer outward, and the gross thickness of anti-corrosion resin layer and fibrous protective layer is no more than 2.0mm
The connection of step 3, unit stake; injection reinforcing cementing agent in the sleeve of unit stake; by in the unit stake steel bar end that stretches out cuff reinforcing bar head end insert in sleeve; again the cuff of two unit stakes is weldingly connected; finally on the cuff connected, smear anti-corrosion resin layer; anti-corrosion resin layer is wound around fibrage topping outward, and the gross thickness of anti-corrosion resin layer and fibrage topping is no more than 2.0mm.
8. according to a kind of regular screw threads steel precast square pile according to claim 7 method of attachment, to it is characterized in that, it is characterized in that the face of weld of the cuff welding described in step 2 is no more than cuff face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523624.1A CN104452743A (en) | 2014-10-08 | 2014-10-08 | Ordinary deformed steel bar prefabricated square pile and connecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410523624.1A CN104452743A (en) | 2014-10-08 | 2014-10-08 | Ordinary deformed steel bar prefabricated square pile and connecting method |
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| Publication Number | Publication Date |
|---|---|
| CN104452743A true CN104452743A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410523624.1A Pending CN104452743A (en) | 2014-10-08 | 2014-10-08 | Ordinary deformed steel bar prefabricated square pile and connecting method |
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| CN (1) | CN104452743A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105484258A (en) * | 2016-01-07 | 2016-04-13 | 中淳高科桩业股份有限公司 | Foundation treatment pile and pile splicing method thereof |
| CN105666688A (en) * | 2016-03-30 | 2016-06-15 | 威海齐德新型建材有限公司 | Precast pile, pile body and production method |
| CN105862855A (en) * | 2016-04-01 | 2016-08-17 | 张永虎 | Precast pile reinforcement structure and durable pile foundation |
| JP2017106214A (en) * | 2015-12-09 | 2017-06-15 | 前田建設工業株式会社 | Existing pile |
| CN107882019A (en) * | 2017-12-25 | 2018-04-06 | 江苏鼎达建筑新技术有限公司 | I-shaped prestressed concrete slabses staking pilework |
| CN108411899A (en) * | 2018-05-22 | 2018-08-17 | 高柱福 | A kind of anti-corrosion protection structure of building apertures stake reinforced column |
| CN109914431A (en) * | 2019-04-08 | 2019-06-21 | 中国铁建大桥工程局集团有限公司 | A kind of novel prefabrication cast-in-place combination Row Piles Supporting Structure |
| JP2020020262A (en) * | 2019-11-11 | 2020-02-06 | 前田建設工業株式会社 | Existing pile |
| CN114197453A (en) * | 2021-12-07 | 2022-03-18 | 浙江绿城建筑设计有限公司 | Cast-in-situ bored pile adopting prefabricated high-strength concrete pile head |
| CN114892643A (en) * | 2022-05-07 | 2022-08-12 | 江苏天能海洋重工有限公司 | Offshore wind power generation foundation pile convenient to dismantle |
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| CN103774642A (en) * | 2014-01-14 | 2014-05-07 | 钟智谦 | Pile connection structure and pile |
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| CN86101974A (en) * | 1985-03-06 | 1987-10-28 | 罗克斯伯里有限公司 | The improvement of stake bar |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017106214A (en) * | 2015-12-09 | 2017-06-15 | 前田建設工業株式会社 | Existing pile |
| CN105484258A (en) * | 2016-01-07 | 2016-04-13 | 中淳高科桩业股份有限公司 | Foundation treatment pile and pile splicing method thereof |
| CN105666688A (en) * | 2016-03-30 | 2016-06-15 | 威海齐德新型建材有限公司 | Precast pile, pile body and production method |
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| CN107882019A (en) * | 2017-12-25 | 2018-04-06 | 江苏鼎达建筑新技术有限公司 | I-shaped prestressed concrete slabses staking pilework |
| CN108411899A (en) * | 2018-05-22 | 2018-08-17 | 高柱福 | A kind of anti-corrosion protection structure of building apertures stake reinforced column |
| CN109914431A (en) * | 2019-04-08 | 2019-06-21 | 中国铁建大桥工程局集团有限公司 | A kind of novel prefabrication cast-in-place combination Row Piles Supporting Structure |
| JP2020020262A (en) * | 2019-11-11 | 2020-02-06 | 前田建設工業株式会社 | Existing pile |
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Application publication date: 20150325 |