CN115961636A - Construction process taking single pile foundation as tower crane foundation - Google Patents
Construction process taking single pile foundation as tower crane foundation Download PDFInfo
- Publication number
- CN115961636A CN115961636A CN202211609103.9A CN202211609103A CN115961636A CN 115961636 A CN115961636 A CN 115961636A CN 202211609103 A CN202211609103 A CN 202211609103A CN 115961636 A CN115961636 A CN 115961636A
- Authority
- CN
- China
- Prior art keywords
- foundation
- bearing platform
- tower crane
- pile foundation
- pile
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 80
- 239000010959 steel Substances 0.000 claims abstract description 80
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 22
- 239000002023 wood Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 5
- 230000009194 climbing Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000011265 semifinished product Substances 0.000 claims description 2
- 239000011120 plywood Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000007906 compression Methods 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Landscapes
- Foundations (AREA)
Abstract
The invention discloses a construction process taking a single pile foundation as a tower crane foundation, which comprises the following steps of checking and calculating the strength, rigidity and displacement of a tower crane bearing platform, a pile foundation, a parallel connection and an embedded part after the construction of the bridge pile foundation is finished; after the pile foundation is poured and the pile is inspected, chiseling the pile head to expose fresh concrete, and installing a bearing platform construction support, wherein the bearing platform support is supported at the top of the pile foundation in a structure form of reversely hanging a carrying pole beam and finish rolled steel; installing a tower crane foundation section and a bearing platform foundation steel bar, and installing the foundation section of the tower crane on a bearing platform reverse hanging beam and accurately positioning after a bearing platform support is erected; installing an embedded part, filling a mold and pouring concrete of a bearing platform; the method takes a single pile foundation as a structure of the bearing platform foundation, and has the advantages of short construction period and convenient installation.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a construction process taking a single pile foundation as a tower crane foundation.
Background
The tower crane is the most common hoisting equipment on the building site, is often used for hoisting materials such as reinforcing bar, template shaped steel support, and tower crane foundation structure commonly used designs for concrete pile foundation cushion cap basis, and its major structure is: constructing a pile foundation of 3-4 steel pipe piles or cast-in-place piles in the foundation, constructing a concrete bearing platform at the top of the pile foundation, and pre-burying tower crane fixing support legs on the bearing platform. After the construction of the bearing platform and the pre-buried fixed support legs is completed, the tower crane foundation sections are installed to be connected with the fixed support legs, then the standard sections, the climbing frame, the rotation assembly, the suspension arm and other structures of the tower crane are sequentially installed until the installation of the tower crane is completed, and the tower crane can be jacked to the height required by construction by self after the installation of the tower crane is completed.
With the continuous development of the engineering industry, the construction environment is more complex and changeable, and the demand of site construction on the tower crane is required to be increased day by day. The engineering is in a closed water area environment, and cannot drive into an engineering ship for hoisting, and in addition, the water depth is as high as 58m, and the plane size of a bearing platform is 15 multiplied by 17m. The pile foundation and the bearing platform are large in size and structure, the hoisting requirement is high, and large-scale hoisting equipment is required to be adopted for matched construction.
The tower crane is the most economic and reasonable scheme by combining the field construction environment, but the construction difficulty of the conventional pile foundation and bearing platform tower crane foundation is very high, so that the design of the tower crane bearing platform foundation at the pile top after the construction of the bridge pile foundation is finished is considered, and the installation of the tower crane is carried out on the foundation.
Disclosure of Invention
The invention aims to solve the problems of the background art and provides a construction process taking a single pile foundation as a tower crane foundation.
The purpose of the invention can be realized by the following technical scheme:
a construction process taking a single pile foundation as a tower crane foundation comprises the following steps:
after the construction of a bridge pile foundation is completed, checking and calculating the strength, rigidity and displacement of a tower crane bearing platform, a pile foundation, a parallel connection part and an embedded part;
step two, after the pile foundation is poured and the pile inspection is passed, chisels the pile head to expose fresh concrete, and then installs a bearing platform construction support which is supported at the top of the pile foundation in a structure form of carrying pole cross beams and finish rolled steel reverse hanging;
and step three, mounting the tower crane foundation section and a bearing platform foundation steel bar, mounting the foundation section of the tower crane on a bearing platform reverse hanging beam after the bearing platform support is erected, accurately positioning, leveling through a steel plate support plug pad, firmly welding a steel plate support and an I-shaped steel beam through fillet welding, and fixing and limiting the foundation section and the reverse hanging beam through a triangular plate. Then the semi-finished product bearing platform steel bars are transported to the bracket for binding;
step four, installing embedded parts, installing a mold, and pouring bearing platform concrete, wherein the main reinforcement of the lengthened pile foundation completely extends into the bearing platform, then binding a bearing platform reinforcement cage, then installing an embedded steel plate of the parallel pipe, finally installing a bearing platform side template, and lengthening a conveying pump pipe to pour the bearing platform concrete;
step five, welding the parallel pipes, connecting the pile foundations of the bearing platform with each other through the parallel pipes to bear force together after the concrete of the bearing platform is demolded to be equal in strength, reinforcing the parallel pipes close to the end of the bearing platform by adopting equal-thickness steel plates, and welding notches on the equal-thickness steel plates;
and step six, mounting and in-place debugging of the tower crane, and jacking and mounting the standard section of the tower crane.
As a further scheme of the invention: in the third step, the deviation between the center of the foundation section and the center of the pile is not more than 20mm, and the verticality deviation of the foundation section is less than 1%.
As a further scheme of the invention: and fifthly, beveling both ends of the steel pipe pile, and welding V-shaped welding seams.
As a further scheme of the invention: in step 6, the tower body segment to be used is checked before jacking, two standard tower body segments are firstly installed by a crane, then a climbing frame is installed, then a rotary assembly mechanism is installed, then a first balance arm and a first crane boom are installed, then a second balance arm and a counterweight are installed, finally the rest crane booms are installed, an electrical system is installed, a crane trolley is debugged, and the tower crane is jacked to the designed height.
As a further scheme of the invention: the concrete grade of the bearing platform of the tower crane is C35, wherein the base size of the bearing platform of the tower crane is 3.5m multiplied by 2.0m (length multiplied by width multiplied by height).
As a further scheme of the invention: the diameter of the single-pile foundation is 2.5m, the single-pile foundation is a cast-in-situ bored pile, and the grade of the concrete of the pile foundation is C30.
As a further scheme of the invention: the diameter of the pile foundation interconnecting pipe is 1.0m, the wall thickness is 10mm, the distance from the end of the bearing platform is reinforced by adopting an equal-thickness steel plate, a strip-shaped notch is formed in the steel plate, and the pile foundation of the bearing platform is required to be connected with three adjacent pile foundations by the interconnecting pipe.
As a further scheme of the invention: the size of the embedded steel plate is 1.5m multiplied by 1.5m, the thickness is 2cm, 49 deformed steels with phi of 28mm are welded at the end of the embedded bearing platform, and plug hole welding forms are adopted.
As a further scheme of the invention: the upper carrying pole beam and the lower carrying pole beam supported by the bearing platform supporting frame are made of 2I36a I-shaped steel, the upper carrying pole beam is supported at the top of the pile foundation casing and is vertically supported on pile top concrete through four I25a I-shaped steel, the reverse hoisting material adopts finish rolling deformed steel bars with the diameter of 25mm to hoist the lower carrying pole beam, the I25a I-shaped steel is distributed on the lower carrying pole beam to serve as a distribution beam, and the distance is 1 m.
As a further scheme of the invention: the bottom die adopts a 2cm wood splint and a square wood as a back edge.
The invention has the beneficial effects that:
the process is positioned on the bridge pile foundation, the construction of the tower crane foundation pile foundation is not needed, and the construction cost is reduced. The invention has reasonable structure, is safe and reliable, can meet the load transfer of the tower crane under various working conditions, and fully utilizes the anti-pulling and anti-compression performance of the pile foundation and the anti-cutting performance of the bearing platform.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention relates to a construction process using a single pile foundation as a tower crane foundation, which comprises the following steps:
after the construction of a bridge pile foundation is finished, designing the structure of a single pile foundation type bearing platform foundation according to parameters provided by a tower crane specification, and checking and calculating the strength, rigidity and displacement of a tower crane bearing platform, a pile foundation, a parallel connection part and an embedded part;
step two, after the pile foundation is poured and the pile inspection is passed, chisels the pile head to expose fresh concrete, and then installs a bearing platform construction support which is supported at the top of the pile foundation in a structure form of carrying pole cross beams and finish rolled steel reverse hanging;
step three, mounting the tower crane foundation sections and the bearing platform foundation steel bars, mounting the foundation sections of the tower crane on a bearing platform reverse hanging beam and accurately positioning after a bearing platform support is erected, wherein the deviation between the center of each foundation section and the center of a pile is not more than 20mm, the deviation of the perpendicularity of each foundation section is less than 1%, leveling through a steel plate support plug pad, firmly welding the steel plate support and the I-shaped steel beam by adopting fillet welds, fixing and limiting the foundation sections and the reverse hanging beam by using a triangular plate, and then transporting semi-finished bearing platform steel bars to the support for binding;
and fourthly, installing an embedded part, installing a mold, pouring concrete on the bearing platform, firstly, completely extending the main reinforcement of the lengthened pile foundation into the bearing platform, then binding a reinforcement cage of the bearing platform, and then installing an embedded steel plate of the parallel pipe. Finally, installing a bearing platform side formwork, and lengthening a conveying pump pipe to perform bearing platform concrete pouring;
step five, welding the flat union pipes, after the concrete of the bearing platform is demolished and equi-strong, mutually connecting the pile foundations of the bearing platform through the flat union pipes to bear force together, adopting equi-thick steel plates to strengthen the flat union pipes close to the end of the bearing platform, and grooving openings in the equi-thick steel plates for welding, increasing the stress area of welding seams, and grooving both ends of the steel pipe pile to weld V-shaped welding seams;
step six, mounting and in-place debugging of the tower crane, jacking and mounting standard sections of the tower crane, checking tower body sections to be used before jacking, firstly mounting two sections of standard sections of tower bodies by using a crane, then mounting a climbing frame, then mounting a rotary assembly mechanism, then mounting a first balance arm and a first crane arm, then mounting a second balance arm and a counterweight, finally mounting the rest crane arms, mounting an electrical system, debugging a crane trolley, jacking the tower crane to a design height,
step seven, comprehensively checking and accepting the tower crane and putting the tower crane into use;
wherein, the size of the tower crane bearing platform foundation is 3.5m multiplied by 2.0m (length multiplied by width multiplied by height), the concrete grade of the bearing platform is C35, the diameter of the single pile foundation is 2.5m, the single pile foundation is a bored concrete pile, and the concrete grade of the pile foundation is C30;
the diameter of the pile foundation parallel connection pipe is 1.0m, the wall thickness is 10mm, the distance from the end of the bearing platform is reinforced by adopting an equal-thickness steel plate, a strip-shaped notch is formed in the steel plate, the steel plate is subjected to welding stress with the original parallel connection pipe, the pile foundation of the bearing platform is required to be connected with three adjacent pile foundations by the parallel connection pipe to form integral stress, and the vertical load and the bending moment of the tower crane are borne,
the size of the embedded steel plate is 1.5m multiplied by 1.5m, the thickness is 2cm, 49 deformed steels with phi of 28mm are welded at the end of the embedded bearing platform, the deformed steels all adopt the form of hole plugging welding,
the upper carrying pole beam and the lower carrying pole beam supported by the bearing platform supporting frame are made of 2I36a I-shaped steel, the upper carrying pole beam is supported at the top of the pile foundation casing and is vertically supported on pile top concrete through four I25a I-shaped steel, the reverse hoisting material adopts finish rolling deformed steel bars with the diameter of 25mm to hoist the lower carrying pole beam, the I25a I-shaped steel is distributed on the lower carrying pole beam to serve as a distribution beam, and the distance is 1 m. The bottom die adopts a 2cm wood splint and a square wood as a back edge;
checking and calculating the tower crane foundation: checking the bending resistance of the positive section, the shearing resistance of the oblique section, the compression resistance of the positive section, the crack width and the integral displacement of the bearing platform;
performing intensity checking calculation on the parallel pipes and the embedded parts according to the obtained internal force of the parallel pipes;
before jacking, checking a mechanical system, an electrical system, a structural part and a hydraulic system of the tower crane, checking an oil cylinder, an oil cylinder cross beam, a standard knuckle lug plate and a support bearing of the jacking part, and adjusting a gap between a sleeve frame roller and a main chord of the tower body.
And designing and checking the tower crane foundation before construction so as to ensure the safe use of the tower crane. According to the standard value of the load of the tower crane on the foundation provided by the manufacturer, the bending moment borne by the foundation and the components is the largest when the tower crane is in a non-working state.
Step 1: structural design and checking calculation:
(1) designing a tower crane foundation bearing platform:
according to the experimental calculation of Gamma 0S which is not less than R in the 5.1.2-1 items of bridge standard, the maximum value of the combined design of the importance coefficient of the structure multiplied by the action effect is not more than the designed value of the bearing capacity of the component, thereby meeting the standard requirement;
the embedded foundation section needs to bear the vertical load and the bending moment of the tower crane, and in order to reduce the damage of the vertical force to the foundation structure, the center of the main limb position of the tower crane is close to the center point of the pile foundation as much as possible.
And 2, step: designing a support frame of a tower crane bearing platform:
the support frame consists of upper and lower 2I36a I-shaped steels, PSB785 phi 25mm finish rolling deformed steel bars and I25a I-shaped steel distribution beams, and the rigidity and the stability of the whole frame body are required to be adjusted according to the design specification of a steel structure (GB 50017). The type steel material used was Q235A.
And step 3: bearing platform construction support installation
A tower crane supporting bracket chisels out fresh concrete stones on the top of a pile foundation, and then vertically sets up four I25a I-shaped steels on the top to serve as supports. And hoisting the pre-spliced upper and lower 2I36a shoulder pole beam I-steel in place, and hoisting for transportation by adopting a small buoyancy tank mast. After the underframe is installed in place, I25a distribution beams and a bottom die are arranged on the underframe and are hoisted through a small buoyancy tank mast crane;
and 4, step 4: installation of tower crane foundation section and bearing platform foundation steel bar
After the bearing platform supporting bracket is erected, the tower crane foundation section is hoisted in place through the small buoyancy tank mast crane, the tower crane foundation section is leveled and centered through the steel plate support and the level ruler, and the tower crane foundation section is limited and fixed through the triangular steel plate after alignment is completed. And simultaneously, lengthening the pile foundation reinforcing steel bars to the height of the top surface of the bearing platform, and binding the bearing platform reinforcing steel bars on site. The horizontal steel bars of the bearing platform are all made of phi 25mm deformed steel bars, the stirrups are made of phi 16mm deformed steel bars, and the grade of the steel bars is HRB400.
And 5: installing embedded part, installing die and bearing platform concrete pouring
After the binding of the steel bars of the bearing platform is finished, the parallel connection steel pipe embedded parts are installed, and the floating box mast crane is used for hoisting and installing. And then installing a side mold, wherein the side mold adopts a wood splint, square wood is used as a secondary back ridge, a double-spliced steel pipe is used as a main ridge, the side mold is reinforced by finish rolled steel, and concrete is pumped to a construction part by a ground pump to be poured.
Step 6: welding of flat tubes
After the concrete is subjected to equal-strength formwork removal, the floating box mast is adopted to hoist the pile foundation parallel connection pipe for installation, the distance between the parallel connection pipe and the end of the bearing platform is reinforced by an equal-thickness steel plate, and the steel plate is provided with a strip-shaped notch for welding stress with the parallel connection pipe. The parallel pipe is required to connect the pile foundation of the bearing platform with the three adjacent pile foundations to form integral stress and bear the vertical load and the bending moment of the tower crane.
And 7: tower crane standard knot installation and debugging of taking one's place
And after the foundation is finished, installing the tower crane by adopting a 500t truck crane on the shore.
After the tower crane is installed, related personnel are organized by a project department to check and accept, the tower crane acceptance is executed by a construction unit equipment department, a safety department, an assembly and disassembly team and engineering projects together, and the tower crane acceptance is checked and accepted item by item strictly according to the content of an acceptance list. Meanwhile, technical inspection, no-load test and load test are carried out, and the safe use of the tower crane is ensured. And after the acceptance is qualified, filling an acceptance report form of the hoisting mechanical equipment on the construction site, and providing related materials. After the acceptance is qualified, the tower crane can be put into use.
The working principle of the invention is as follows: the process is located on the bridge pile foundation, construction of the tower crane foundation pile foundation is not required to be additionally carried out, and construction cost is reduced. The invention has reasonable structure, safety and reliability, can meet the load transfer of the tower crane under various working conditions, and fully utilizes the uplift and compression resistance of the pile foundation and the anti-cutting performance of the bearing platform.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. A construction process taking a single pile foundation as a tower crane foundation is characterized by comprising the following steps:
after the construction of a bridge pile foundation is completed, checking and calculating the strength, rigidity and displacement of a tower crane bearing platform, a pile foundation, a parallel connection part and an embedded part;
step two, after the pile foundation is poured and the pile inspection is passed, chisels the pile head to expose fresh concrete, and then installs a bearing platform construction support which is supported at the top of the pile foundation in a structure form of carrying pole cross beams and finish rolled steel reverse hanging;
and step three, mounting the tower crane foundation section and a bearing platform foundation steel bar, mounting the foundation section of the tower crane on a bearing platform reverse hanging beam after the bearing platform support is erected, accurately positioning, leveling through a steel plate support plug pad, firmly welding the steel plate support and the I-shaped steel beam through fillet welding, and fixing and limiting the foundation section and the reverse hanging beam through a triangular plate. Then the semi-finished product bearing platform steel bars are transported to a support for binding;
step four, installing embedded parts, installing a mold and pouring concrete on a bearing platform, wherein firstly, lengthening the main reinforcement of the pile foundation and completely extending into the bearing platform, then binding a reinforcement cage of the bearing platform, then installing an embedded steel plate of a flat connecting pipe, finally installing a side template of the bearing platform, lengthening a conveying pump pipe and pouring concrete on the bearing platform;
step five, welding the flat connecting pipes, after the concrete of the bearing platform is demolded and has equal strength, mutually connecting the pile foundations of the bearing platform through the flat connecting pipes, reinforcing the flat connecting pipes close to the end of the bearing platform by adopting equal-thickness steel plates, and welding notches on the equal-thickness steel plates;
and step six, mounting and in-place debugging of the tower crane, and jacking and mounting the standard section of the tower crane.
2. The construction process taking a single pile foundation as a tower crane foundation according to claim 1, wherein in the third step, the deviation between the center of a foundation section and the center of a pile is not more than 20mm, and the verticality deviation of the foundation section is less than 1%.
3. The construction process taking a single pile foundation as the tower crane foundation according to claim 1, wherein in the fifth step, grooves are formed at two ends of the steel pipe pile, and V-shaped welding seams are welded.
4. The construction process taking a single pile foundation as a tower crane foundation according to claim 1, wherein in the sixth step, the tower body section to be put into use is checked before jacking, two standard sections of the tower body are firstly installed by a crane, then the climbing frame is installed, then the rotation assembly mechanism is installed, then the first balance arm and the first crane boom are installed, then the second balance arm and the counterweight are installed, finally the rest crane boom is installed, an electrical system is installed, and a crane trolley is debugged to jack the tower crane to the designed height.
5. The construction process taking a single pile foundation as the tower crane foundation according to claim 1, wherein the size of the tower crane bearing platform foundation is 3.5m x 2.0m (length x width x height) and the concrete grade of the bearing platform is C35.
6. The construction process taking a single pile foundation as the tower crane foundation according to claim 1, wherein the diameter of a single pile foundation is 2.5m, the single pile foundation is a cast-in-situ bored pile, and the grade of concrete of the pile foundation is C30.
7. The construction process taking a single pile foundation as a tower crane foundation according to claim 1, wherein the diameter of a pile foundation interconnecting pipe is 1.0m, the wall thickness is 10mm, the distance from the end of a bearing platform is reinforced by adopting an equal-thickness steel plate, a strip-shaped notch is formed in the steel plate, and the bearing platform pile foundation is required to be connected with three adjacent pile foundations by the interconnecting pipe.
8. The construction process taking a single pile foundation as a tower crane foundation according to claim 1, wherein the size of the embedded steel plate is 1.5m multiplied by 1.5m, the thickness is 2cm, 49 deformed steels with the diameter of 28mm are welded at the end of the embedded bearing platform, and the plugging welding mode is adopted.
9. The construction process of claim 1, wherein the upper and lower carrying pole beams supported by the platform support frame are made of 2I36a I-steel, the upper carrying pole beam is supported on the top of the pile foundation casing and is vertically supported on the pile top concrete through four I25a I-steel, the reverse hoisting material is a finish rolling deformed steel bar with the diameter of 25mm to hoist the lower carrying pole beam, the I25a I-steel is arranged on the lower carrying pole beam as a distribution beam, and the distance is 1 m.
10. The construction process taking a single pile foundation as the tower crane foundation according to claim 1, wherein a bottom die adopts 2cm plywood and square wood as a back ridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211609103.9A CN115961636A (en) | 2022-12-14 | 2022-12-14 | Construction process taking single pile foundation as tower crane foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211609103.9A CN115961636A (en) | 2022-12-14 | 2022-12-14 | Construction process taking single pile foundation as tower crane foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115961636A true CN115961636A (en) | 2023-04-14 |
Family
ID=87353747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211609103.9A Pending CN115961636A (en) | 2022-12-14 | 2022-12-14 | Construction process taking single pile foundation as tower crane foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115961636A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005022819A (en) * | 2003-07-02 | 2005-01-27 | Yoshinaga Kikai Kk | Tower crane support device |
| JP2009073599A (en) * | 2007-09-19 | 2009-04-09 | Shimizu Corp | Supporting structure of tower crane and climbing method |
| CN201891128U (en) * | 2010-11-03 | 2011-07-06 | 中建三局第二建设工程有限责任公司 | Single-pile elevated bearing-platform tower-crane foundation structure |
| CN205874963U (en) * | 2016-07-22 | 2017-01-11 | 中铁第一勘察设计院集团有限公司 | Iron road bridge deck -molding mound |
| CN216275237U (en) * | 2021-09-08 | 2022-04-12 | 中交第一航务工程局有限公司 | Offshore large-volume pier finish rolling thread hanging bottom combined platform |
-
2022
- 2022-12-14 CN CN202211609103.9A patent/CN115961636A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005022819A (en) * | 2003-07-02 | 2005-01-27 | Yoshinaga Kikai Kk | Tower crane support device |
| JP2009073599A (en) * | 2007-09-19 | 2009-04-09 | Shimizu Corp | Supporting structure of tower crane and climbing method |
| CN201891128U (en) * | 2010-11-03 | 2011-07-06 | 中建三局第二建设工程有限责任公司 | Single-pile elevated bearing-platform tower-crane foundation structure |
| CN205874963U (en) * | 2016-07-22 | 2017-01-11 | 中铁第一勘察设计院集团有限公司 | Iron road bridge deck -molding mound |
| CN216275237U (en) * | 2021-09-08 | 2022-04-12 | 中交第一航务工程局有限公司 | Offshore large-volume pier finish rolling thread hanging bottom combined platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101845848B (en) | Large-span steel connecting bridge and integral hoisting method thereof | |
| CN104141383A (en) | Bailey beam suspension formwork supporting system and construction method thereof | |
| CN203947771U (en) | A kind of Bailey beam pendent form support system | |
| CN105863042A (en) | All-steel structure building and construction method thereof | |
| CN114232805B (en) | Construction method of ultrahigh-height large-span steel concrete beam hanging structure | |
| CN112854008A (en) | Prefabricated bridge pier and beam integrated bridge girder erection machine and construction method thereof | |
| CN111675111A (en) | Boiler hoisting sling in closed plant area and construction method | |
| CN109881587B (en) | Integral installation method of main tower upper cross beam support in strong wind environment | |
| CN109457814B (en) | Construction method for top cover of high-rise and large-diameter building based on Bailey truss structure | |
| CN108999427B (en) | Support structure for moving load during building migration in place and construction method thereof | |
| CN111809654A (en) | Assembled tower crane foundation structure | |
| CN110700303A (en) | Pile foundation profile steel combined tower crane foundation construction method | |
| CN115961636A (en) | Construction process taking single pile foundation as tower crane foundation | |
| CN114086473B (en) | High pier cast-in-situ beam bracket and construction method thereof | |
| CN216892017U (en) | Tie beam integral casting template in template connecting piece and lower stand | |
| CN111622091B (en) | Stress test method for prefabricated bridge pier | |
| CN206616602U (en) | A kind of outdoor construction elevator strengthening of foundation device | |
| CN212336080U (en) | Assembled tower crane foundation structure | |
| CN212405472U (en) | Cross node connection structure of assembled frame structure | |
| CN115058977A (en) | Construction method for prefabricated pier stud of urban bridge | |
| CN103754791A (en) | Method for lifting water-tower 1000m<3> water tank by utilizing prestressed strands | |
| CN209906223U (en) | Beam gantry crane | |
| CN111893990A (en) | Steel pipe pile support pre-pressing device and pre-pressing scheme | |
| CN111622347A (en) | Cross-shaped node connecting structure of assembled frame structure and construction method thereof | |
| CN111186780A (en) | Movable arm type tower crane underframe weight type foundation and construction method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230414 |