CN104988915A - Prefabrication and installation method of detachable steel protection tube device and underwater connection beam - Google Patents

Prefabrication and installation method of detachable steel protection tube device and underwater connection beam Download PDF

Info

Publication number
CN104988915A
CN104988915A CN201510413824.6A CN201510413824A CN104988915A CN 104988915 A CN104988915 A CN 104988915A CN 201510413824 A CN201510413824 A CN 201510413824A CN 104988915 A CN104988915 A CN 104988915A
Authority
CN
China
Prior art keywords
vertical flange
casing
block
dismounting block
flange
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.)
Granted
Application number
CN201510413824.6A
Other languages
Chinese (zh)
Other versions
CN104988915B (en
Inventor
贾先杰
万兴权
张久昌
左回刚
于长波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Civil Engineering Co Ltd of CREC
Sixth Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Original Assignee
Shanghai Civil Engineering Co Ltd of CREC
Sixth Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Civil Engineering Co Ltd of CREC, Sixth Engineering Co Ltd of Shanghai Civil Engineering Co Ltd of CREC filed Critical Shanghai Civil Engineering Co Ltd of CREC
Priority to CN201510413824.6A priority Critical patent/CN104988915B/en
Publication of CN104988915A publication Critical patent/CN104988915A/en
Application granted granted Critical
Publication of CN104988915B publication Critical patent/CN104988915B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Piles And Underground Anchors (AREA)

Abstract

The invention relates to the technical field of construction, in particular to a prefabrication and installation method of a detachable steel protection tube device and an underwater connection beam. The prefabrication and installation method is suitable for water facing region bridge pile foundation and underwater connection beam construction. The method specifically includes the steps that the detachable protection tube device is manufactured, and a crane is adopted for assembling upper protection tubes, middle protection tubes and lower protection tubes into a whole; the steel protection tubes are buried according to pile position surveying and setting-out positions; a drilling machine is arranged in place, and hole forming, hole cleaning and underwater concrete filling piling are conducted; upper mud or cement slurry is pumped out through a pump, and after the strength of concrete reaches 5 MPa, ultrahigh portions are manually chiseled out; and after a whole pile foundation is formed, vertical flange bolts between first vertical detachment blocks and second detachment blocks and between the first vertical detachment blocks and third detachment blocks and second radial flange bolts between the middle protection tubes and the lower protection tubes are loosened. Compared with the prior art, the prefabrication and installation method is simple in structure, flexible in operation, safe, reliable, economical, efficient and suitable for construction of pile foundations in water areas with high environmental protection requirements. Mud collection is greatly facilitated, the construction efficiency is improved, and secondary pile extension is avoided.

Description

A kind of detachable steel casing device and under water connection beam prefabricate and install method
[technical field]
The present invention relates to technical field of construction, be applicable to region bridge pile foundation and under water constructing tie beam near water, a kind of detachable steel casing device and under water connection beam prefabricate and install method specifically.
[background technology]
Along with the development of society and the raising of people's living standard, landscape bridge is built increasing near water, and the construction of pile foundation in water plinth is more frequent, how to prevent mud contamination water body, guarantees that pile foundation construction quality and control construction cost all exist difficulty in various degree.Existing pile foundation in water concrete construction mode, the method for steel pile casting is buried in main employing underground, and according to low mode of burying overall steel casing, mud is difficult to collect, and is difficult to reach a top mark high, needs secondary pile extension, and meeting polluted water region; Bury the mode of overall steel casing according to height, then casing is difficult to extract recovery, cuts pile crown after needing cutting disassembling, not only can not reuse, and also can spin out the engineering time, causes duration and cost to be difficult to control; And binder mainly adopts cofferdam to draw water, builds bed course or bottom concrete, then carry out constructing tie beam under water, finally remove the construction technology in cofferdam, construction cost is high, polluted-water, and the duration is difficult to ensure.
[summary of the invention]
The object of the invention is in existing pile foundation in water concrete construction mode bury underground steel pile casting position not at that time slurry collecting, polluted-water, secondary pile extension, be difficult to the problem of extracting, cutting waste, delaying the duration, there is provided that a kind of structure is simple, flexible operation, safe and reliable, economical and efficient, is applicable to the high detachable steel casing device of environmental requirement and connection beam prefabricate and install method under water.
To achieve these goals, design a kind of detachable steel casing device and connection beam prefabricate and install method under water, mounting method concrete steps are as follows:
A. detachable casing device is made, casing side is provided with the first vertical flange, the second vertical flange and the 3rd vertical flange, first vertical flange, the second vertical flange are provided with some vertical flange bar holes, 3rd vertical flange is provided with some vertical bolts hole, described lower casing is welded to connect by whole circle steel pipe and the first radial flange and is formed, and the first radial flange is provided with radial bolts hole, described middle casing is by the first dismounting block, second dismounting block, 3rd dismounting block composition, the dual-side of the first dismounting block is provided with vertical flange bar hole, second dismounting block, the side of the 3rd dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, first dismounting block and second dismantles block, the junction of the 3rd dismounting block is respectively by the first vertical flange, second vertical Flange joint, second dismounting block and the 3rd is dismantled between block by the 3rd vertical Flange joint, first dismounting block, second dismounting block, the first vertical flange is secured by bolts between 3rd dismounting block, second vertical flange, casing cylindrical shell during 3rd vertical flange is formed, described upper casing is by the 4th dismounting block, 5th dismounting block, 6th dismounting block composition, the dual-side of the 4th dismounting block is provided with vertical flange bar hole, 5th dismounting block, the side of the 6th dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, 4th dismounting block and the 5th dismantles block, the junction of the 6th dismounting block is respectively by the first vertical flange, second vertical Flange joint, 5th dismounting block and the 6th is dismantled between block by the 3rd vertical Flange joint, 4th dismounting block, 5th dismounting block, the first vertical flange is secured by bolts between 6th dismounting block, second vertical flange, 3rd vertical flange forms casing cylindrical shell, the second radial flange is welded in middle casing cylindrical shell lower end, and the second radial flange is provided with radial bolts hole, is connected with lower casing by bolt, middle casing cylindrical shell upper end welding the 3rd radial flange, the 3rd radial flange is provided with radial bolts hole, is connected by bolt with upper casing,
B. adopt crane, upper casing, middle casing, lower casing are assembled into entirety;
C. according to measure of pile position setting-out position, steel pile casting is buried underground;
D. driller insertion, pore-forming, clear hole, underwater gliders pile;
E. after underwater gliders completes, extract top mud or cement grout out with pump, and manually dig out before concrete final set and superly water slag inclusion concrete to the above 20cm place of stake top mark height; Reach after 5MPa until concrete strength, adopt artificial chisel except superelevation part;
F. view picture pile foundation shaping after, unclamp vertical first dismounting block and second and dismantle block, the 3rd and dismantle the vertical flange bolt between block and the second radial flange bolt between middle casing and lower casing, disassemble the first dismounting block;
G. prefabricated profiled binder transport, lifting are sunk in pile foundation casing notch;
H., notch first on binder end face is installed and dismantles block, adopt rubber water-proof bar and cotton-wool to carry out binder and the leak stopping of casing gap;
I. casing internal water accumulation is extracted out; Binder and pile foundation connecting portion reinforcement installation, concreting;
J. pier stud reinforcing bar, template, concrete construction is continued;
K. unclamp middle casing and lower casing connecting bolt, second to dismantle block and the 3rd and dismantle vertical flange bolt between block, piecemeal dismounting lifting, be transferred to next pile foundation position, lower casing will not reclaim.
Described middle casing is made up of the first dismounting block, the second dismounting block, the 3rd dismounting block, the first vertical flange, the second vertical flange, bolt, middle casing is a joint or more piece, welding hanging ring outside middle casing cylindrical shell, upper port welding the 3rd radial flange, lower port welds the second radial flange, described upper casing is made up of the 4th dismounting block, the 5th dismounting block, the 6th dismounting block, the first vertical flange, the second vertical flange, bolt, welding hanging ring outside upper casing cylindrical shell, lower port welding the 3rd radial flange.
Described first vertical flange, the second vertical flange, the first radial flange, the second radial flange, the 3rd radial flange joint all clog rubber water-proof article.
The present invention compared with the existing technology, solve the slurry collecting of overall steel casing construction, secondary pile extension, be difficult to the problem of extracting, cutting waste, delaying the duration, structure is simple, flexible operation, safe and reliable, economical and efficient, is applicable to pile foundation construction in the high waters of environmental requirement, greatly be convenient to slurry collecting, reduce pipe cutting labour intensity in water, improve efficiency of construction, avoid secondary pile extension, and greatly saved casing steel pipe consumption, there is application and promotional value preferably.
[accompanying drawing explanation]
Fig. 1 is constructing structure elevation of the present invention;
Fig. 2 is mixture proportioning in construction of the present invention;
Fig. 3 is the top view of casing in the present invention;
Fig. 4 is the top view of casing in the present invention;
Fig. 5 is the sectional view of the first dismounting block in the present invention;
Fig. 6 is the sectional view of the second dismounting block in the present invention;
In figure: 1. to descend in casing 2. casing 4. first radial flange 5. first dismounting block 6. second on casing 3. to dismantle block 7. the 3rd and dismantle the vertical flange bar hole 9. of block 8. vertical bolt hole 10. first vertical flange 11. bolt 12. the 4th dismounting block 13. the 5th and dismantle vertical flange 19. suspension ring 20. rubber water-proof of block 14. the 6th dismounting block 15. second vertical flange 16. second radial flange 17. the 3rd radial flange 18. the 3rd article 21. prefabricated binders in the water surface 22. riverbed 23.;
Specify Fig. 1 as Figure of abstract of the present invention.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the invention will be further described, and the structure of this device and principle are very clearly concerning the people of this specialty.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
This device makes detachable casing device, casing side is provided with the first vertical flange, the second vertical flange and the 3rd vertical flange, first vertical flange, the second vertical flange are provided with some vertical flange bar holes, 3rd vertical flange is provided with some vertical bolts hole, described lower casing is welded to connect by whole circle steel pipe and the first radial flange and is formed, and the first radial flange is provided with radial bolts hole, described middle casing is by the first dismounting block, second dismounting block, 3rd dismounting block composition, the dual-side of the first dismounting block is provided with vertical flange bar hole, second dismounting block, the side of the 3rd dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, first dismounting block and second dismantles block, the junction of the 3rd dismounting block is respectively by the first vertical flange, second vertical Flange joint, second dismounting block and the 3rd is dismantled between block by the 3rd vertical Flange joint, first dismounting block, second dismounting block, the first vertical flange is secured by bolts between 3rd dismounting block, second vertical flange, casing cylindrical shell during 3rd vertical flange is formed, described upper casing is by the 4th dismounting block, 5th dismounting block, 6th dismounting block composition, the dual-side of the 4th dismounting block is provided with vertical flange bar hole, 5th dismounting block, the side of the 6th dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, 4th dismounting block and the 5th dismantles block, the junction of the 6th dismounting block is respectively by the first vertical flange, second vertical Flange joint, 5th dismounting block and the 6th is dismantled between block by the 3rd vertical Flange joint, 4th dismounting block, 5th dismounting block, the first vertical flange is secured by bolts between 6th dismounting block, second vertical flange, 3rd vertical flange forms casing cylindrical shell, the second radial flange is welded in middle casing cylindrical shell lower end, and the second radial flange is provided with radial bolts hole, is connected with lower casing by bolt, middle casing cylindrical shell upper end welding the 3rd radial flange, the 3rd radial flange is provided with radial bolts hole, is connected by bolt with upper casing, rubber water-proof bar is all clogged, to meet sealing requirement between each vertical flange and with radial flange joint.The structure chart of middle casing and upper casing is see Fig. 2 and Fig. 3.The joint number of middle casing of the present invention can increase as required, and lower casing height can adjust according to embedded depth.Second dismounting block, the 3rd dismounting block shape and the 5th are dismantled block, the 6th to dismantle block structure identical, refer to Fig. 4 and Fig. 5.
Mounting method concrete steps are as follows, see Fig. 1 and Fig. 2:
A. detachable casing device is made according to said process;
B. adopt crane, upper casing, middle casing, lower casing are assembled into entirety;
C. according to measure of pile position setting-out position, steel pile casting is buried underground;
D. driller insertion, pore-forming, clear hole, underwater gliders pile;
E. after underwater gliders completes, extract top mud or cement grout out with pump, and manually dig out before concrete final set and superly water slag inclusion concrete to the above 20cm place of stake top mark height; Reach after 5MPa until concrete strength, adopt artificial chisel except superelevation part;
F. view picture pile foundation shaping after, unclamp vertical first dismounting block and second and dismantle block, the 3rd and dismantle the vertical flange bolt between block and the second radial flange bolt between middle casing and lower casing, disassemble the first dismounting block;
G. prefabricated profiled binder transport, lifting are sunk in pile foundation casing notch;
H., notch first on binder end face is installed and dismantles block, adopt rubber water-proof bar and cotton-wool to carry out binder and the leak stopping of casing gap;
I. casing internal water accumulation is extracted out; Binder and pile foundation connecting portion reinforcement installation, concreting;
J. pier stud reinforcing bar, template, concrete construction is continued;
K. unclamp middle casing and lower casing connecting bolt, second to dismantle block and the 3rd and dismantle vertical flange bolt between block, piecemeal dismounting lifting, be transferred to next pile foundation position, lower casing will not reclaim.
This device is successfully applied to Kunming ring Hunan Road No. 1 grand bridge pile foundation in 2-in-1 same section ancient city and constructing tie beam under water, ensure that pile foundation and under water constructing tie beam quality, shorten the operation duration, economical and efficient, energy-conserving and environment-protective, safe and reliable target, there is higher application and promotional value.

Claims (3)

1. detachable steel casing device and under water a connection beam prefabricate and install method, is characterized in that mounting method concrete steps are as follows:
A. detachable casing device is made, comprise lower casing, middle casing and upper casing, casing side is provided with the first vertical flange, the second vertical flange and the 3rd vertical flange, first vertical flange, the second vertical flange are provided with some vertical flange bar holes, 3rd vertical flange is provided with some vertical bolts hole, described lower casing is welded to connect by whole circle steel pipe and the first radial flange and is formed, and the first radial flange is provided with radial bolts hole, described middle casing is by the first dismounting block, second dismounting block, 3rd dismounting block composition, the dual-side of the first dismounting block is provided with vertical flange bar hole, second dismounting block, the side of the 3rd dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, first dismounting block and second dismantles block, the junction of the 3rd dismounting block is respectively by the first vertical flange, second vertical Flange joint, second dismounting block and the 3rd is dismantled between block by the 3rd vertical Flange joint, first dismounting block, second dismounting block, the first vertical flange is secured by bolts between 3rd dismounting block, second vertical flange, casing cylindrical shell during 3rd vertical flange is formed, described upper casing is by the 4th dismounting block, 5th dismounting block, 6th dismounting block composition, the dual-side of the 4th dismounting block is provided with vertical flange bar hole, 5th dismounting block, the side of the 6th dismounting block is provided with vertical bolt hole, opposite side is provided with vertical flange bar hole, 4th dismounting block and the 5th dismantles block, the junction of the 6th dismounting block is respectively by the first vertical flange, second vertical Flange joint, 5th dismounting block and the 6th is dismantled between block by the 3rd vertical Flange joint, 4th dismounting block, 5th dismounting block, the first vertical flange is secured by bolts between 6th dismounting block, second vertical flange, 3rd vertical flange forms casing cylindrical shell, the second radial flange is welded in middle casing cylindrical shell lower end, and the second radial flange is provided with radial bolts hole, is connected with lower casing by bolt, middle casing cylindrical shell upper end welding the 3rd radial flange, the 3rd radial flange is provided with radial bolts hole, is connected by bolt with upper casing,
B. adopt crane, upper casing, middle casing, lower casing are assembled into entirety;
C. according to measure of pile position setting-out position, steel pile casting is buried underground;
D. driller insertion, pore-forming, clear hole, underwater gliders pile;
E. after underwater gliders completes, extract top mud or cement grout out with pump, and manually dig out before concrete final set and superly water slag inclusion concrete to the above 20cm place of stake top mark height; Reach after 5MPa until concrete strength, adopt artificial chisel except superelevation part;
F. view picture pile foundation shaping after, unclamp vertical first dismounting block and second and dismantle block, the 3rd and dismantle the vertical flange bolt between block and the second radial flange bolt between middle casing and lower casing, disassemble the first dismounting block;
G. prefabricated profiled binder transport, lifting are sunk in pile foundation casing notch;
H., notch first on binder end face is installed and dismantles block, adopt rubber water-proof bar and cotton-wool to carry out binder and the leak stopping of casing gap;
I. casing internal water accumulation is extracted out; Binder and pile foundation connecting portion reinforcement installation, concreting;
J. pier stud reinforcing bar, template, concrete construction is continued;
K. unclamp middle casing and lower casing connecting bolt, second to dismantle block and the 3rd and dismantle vertical flange bolt between block, piecemeal dismounting lifting, be transferred to next pile foundation position, lower casing will not reclaim.
2. a kind of detachable steel casing device as claimed in claim 1 and under water connection beam prefabricate and install method, it is characterized in that described middle casing is by the first dismounting block, second dismounting block, 3rd dismounting block, first vertical flange, second vertical flange, 3rd vertical flange bolt composition, middle casing is a joint or more piece, welding hanging ring outside middle casing cylindrical shell, upper port welding the 3rd radial flange, lower port welds the second radial flange, described upper casing is by the 4th dismounting block, 5th dismounting block, 6th dismounting block, first vertical flange, second vertical flange, 3rd vertical flange, bolt forms, welding hanging ring outside upper casing cylindrical shell, lower port welding the 3rd radial flange.
3. a kind of detachable steel casing device as claimed in claim 1 and under water connection beam prefabricate and install method, is characterized in that the first described vertical flange, the second vertical flange, the first radial flange, the second radial flange, the 3rd radial flange joint all clog rubber water-proof article.
CN201510413824.6A 2015-07-15 2015-07-15 A kind of prefabricated installation method of detachable steel casing and under water connection beam Active CN104988915B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510413824.6A CN104988915B (en) 2015-07-15 2015-07-15 A kind of prefabricated installation method of detachable steel casing and under water connection beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510413824.6A CN104988915B (en) 2015-07-15 2015-07-15 A kind of prefabricated installation method of detachable steel casing and under water connection beam

Publications (2)

Publication Number Publication Date
CN104988915A true CN104988915A (en) 2015-10-21
CN104988915B CN104988915B (en) 2017-03-29

Family

ID=54300797

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510413824.6A Active CN104988915B (en) 2015-07-15 2015-07-15 A kind of prefabricated installation method of detachable steel casing and under water connection beam

Country Status (1)

Country Link
CN (1) CN104988915B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107938514A (en) * 2017-10-25 2018-04-20 程新锋 A kind of anti-device for plugging of bridge construction
CN108589748A (en) * 2018-03-19 2018-09-28 湖南路桥建设集团有限责任公司 A kind of method of the prefabricated installation of shallow water underwater works
CN108677872A (en) * 2018-06-13 2018-10-19 中铁十六局集团第三工程有限公司 The changeover portion template sealing component and construction method that binder assembles in a kind of suitable water
CN108708374A (en) * 2018-08-08 2018-10-26 中国水利水电第十二工程局有限公司 Dismountable casing and casing and method for filling pile construction in waters
CN111778861A (en) * 2020-07-10 2020-10-16 浙江交工金筑交通建设有限公司 Underwater tie beam prefabrication installation construction method
CN112144513A (en) * 2020-09-25 2020-12-29 四川交投建设工程股份有限公司 Construction method of prefabricated assembled underwater tie beam
CN112144412A (en) * 2020-09-25 2020-12-29 四川交投建设工程股份有限公司 Construction method of prefabricated assembled intercolumnar tie beam
CN108677872B (en) * 2018-06-13 2024-06-11 中铁十六局集团第三工程有限公司 Transition section template water stop assembly suitable for assembly of underwater tie beam and construction method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262513A (en) * 2000-03-17 2001-09-26 Nippon Steel Corp Cable stayed bridge having composite synthetic steel tube beam material with slab and method of installing the beam material
CN202416309U (en) * 2011-12-28 2012-09-05 防城港中一重工有限公司 Concrete pile steel casing for shallow sea and rivers
CN203238628U (en) * 2013-05-28 2013-10-16 天津鸿翔工程机械有限公司 Novel detachable protective barrel
CN103485340A (en) * 2013-09-18 2014-01-01 中交二航局第四工程有限公司 Wave-web fore-shaft steel casing device and construction method thereof
CN104563126A (en) * 2014-12-22 2015-04-29 中铁十九局集团有限公司 Rotary drill drilling cast-in-place pile construction method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001262513A (en) * 2000-03-17 2001-09-26 Nippon Steel Corp Cable stayed bridge having composite synthetic steel tube beam material with slab and method of installing the beam material
CN202416309U (en) * 2011-12-28 2012-09-05 防城港中一重工有限公司 Concrete pile steel casing for shallow sea and rivers
CN203238628U (en) * 2013-05-28 2013-10-16 天津鸿翔工程机械有限公司 Novel detachable protective barrel
CN103485340A (en) * 2013-09-18 2014-01-01 中交二航局第四工程有限公司 Wave-web fore-shaft steel casing device and construction method thereof
CN104563126A (en) * 2014-12-22 2015-04-29 中铁十九局集团有限公司 Rotary drill drilling cast-in-place pile construction method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107938514A (en) * 2017-10-25 2018-04-20 程新锋 A kind of anti-device for plugging of bridge construction
CN107938514B (en) * 2017-10-25 2019-11-01 吕志超 A kind of anti-device for plugging of bridge construction
CN108589748A (en) * 2018-03-19 2018-09-28 湖南路桥建设集团有限责任公司 A kind of method of the prefabricated installation of shallow water underwater works
CN108589748B (en) * 2018-03-19 2023-09-01 湖南路桥建设集团有限责任公司 Prefabrication and installation method for shallow water underwater structure
CN108677872A (en) * 2018-06-13 2018-10-19 中铁十六局集团第三工程有限公司 The changeover portion template sealing component and construction method that binder assembles in a kind of suitable water
CN108677872B (en) * 2018-06-13 2024-06-11 中铁十六局集团第三工程有限公司 Transition section template water stop assembly suitable for assembly of underwater tie beam and construction method
CN108708374A (en) * 2018-08-08 2018-10-26 中国水利水电第十二工程局有限公司 Dismountable casing and casing and method for filling pile construction in waters
CN108708374B (en) * 2018-08-08 2024-03-01 中国水利水电第十二工程局有限公司 Removable pile casing and method for construction of cast-in-place piles in water
CN111778861A (en) * 2020-07-10 2020-10-16 浙江交工金筑交通建设有限公司 Underwater tie beam prefabrication installation construction method
CN112144513A (en) * 2020-09-25 2020-12-29 四川交投建设工程股份有限公司 Construction method of prefabricated assembled underwater tie beam
CN112144412A (en) * 2020-09-25 2020-12-29 四川交投建设工程股份有限公司 Construction method of prefabricated assembled intercolumnar tie beam

Also Published As

Publication number Publication date
CN104988915B (en) 2017-03-29

Similar Documents

Publication Publication Date Title
US11143027B2 (en) Rectangular working well with preset pipe jacking hole and sliding back wall in water-rich stratum and construction method thereof
CN105887806B (en) Assembled underground continuous wall and its construction method
CN104988915A (en) Prefabrication and installation method of detachable steel protection tube device and underwater connection beam
CN202124865U (en) Quick plugging device for dewatering wellhead of sand-free cement pipe deep well
CN105178344A (en) Built-in anti-floating anchor blocking structure used in foundation mat for deep-well dewatering well and construction method
JP2018024982A (en) Reinforcement method and reinforcement structure of existing pile foundation
CN105672337B (en) The construction method of cast-in-place open caisson formwork system
CN108360543A (en) A kind of big pre-cast sink well structure of depth and its installation method
CN104404983A (en) Horse riding type well device for pipe jacking construction and construction method thereof
CN102359112A (en) Method for bracing foundation pit by using steel box piles
CN108035379B (en) Comprehensive pipe gallery and construction method thereof
CN103572770B (en) A kind of stake case hydraulic structures and construction method thereof
CN205776157U (en) Assembled underground continuous wall
CN201826302U (en) Boring device for large-diameter cast-in-situ thin-walled concrete composite pile
CN203654309U (en) Pile-caisson hydraulic structure
CN111287309A (en) Subway interval separation type wastewater pump house structure and construction method thereof
CN109826224A (en) A kind of sinking well protection wall digging foundation and its construction method for desert region iron tower of power transmission line
CN102345287A (en) Construction method of large-diameter cast-in-situ thin-wall concrete composite pile and special hole forming device
CN204780894U (en) Can dismantle steel protects wound packages and puts
CN102619521A (en) Construction method for vertical shaft bedrock section wall structure
CN111733853A (en) Tongue-and-groove type prefabricated underground continuous wall structure
CN201078234Y (en) Integral hydraulic pressure steel sheet piling curtain of vertical shaft construction overflowing sand bed
CN105484270A (en) Reinforcement protection construction method of high steep old rubble retaining wall adjacent to deep foundation pit
CN210122735U (en) Underground structure anti-floating system based on outward-protruding wing foot plate
CN208152065U (en) A kind of big pre-cast sink well structure of depth

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant