CN106351400B - A kind of precast concrete octagonal column assembly device and its installation method - Google Patents

A kind of precast concrete octagonal column assembly device and its installation method Download PDF

Info

Publication number
CN106351400B
CN106351400B CN201610888881.4A CN201610888881A CN106351400B CN 106351400 B CN106351400 B CN 106351400B CN 201610888881 A CN201610888881 A CN 201610888881A CN 106351400 B CN106351400 B CN 106351400B
Authority
CN
China
Prior art keywords
octagonal column
precast concrete
column
octagonal
cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610888881.4A
Other languages
Chinese (zh)
Other versions
CN106351400A (en
Inventor
白玉冰
丁伟祥
龙跃
吴章熙
娄喻
李明
刘建
金铭功
李剑飞
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.)
China Construction Ltd By Share Ltd Sea Extension Engineering Branch
Third Construction Co Ltd of China Construction Third Engineering Division
Original Assignee
China Construction Ltd By Share Ltd Sea Extension Engineering Branch
Third Construction Co Ltd of China Construction Third Engineering Division
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 China Construction Ltd By Share Ltd Sea Extension Engineering Branch, Third Construction Co Ltd of China Construction Third Engineering Division filed Critical China Construction Ltd By Share Ltd Sea Extension Engineering Branch
Priority to CN201610888881.4A priority Critical patent/CN106351400B/en
Publication of CN106351400A publication Critical patent/CN106351400A/en
Application granted granted Critical
Publication of CN106351400B publication Critical patent/CN106351400B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00Structural elongated elements designed for load-supporting
    • E04C3/30Columns; Pillars; Struts
    • E04C3/34Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)

Abstract

The present invention relates to Large Precast Members mounting technique fields, refer specifically to a kind of precast concrete octagonal column assembly device, also disclose the installation method of precast concrete octagonal column;Installation method includes the following steps:A, measurement control cage is built in octagonal column embedded part periphery;B, the supporting rack being connect with full hall frame is built;C, precast concrete octagonal column is prefabricated;D, the lifting of precast concrete octagonal column;E, the degree control of precast concrete octagonal column.The present invention solve the problems, such as centrifugal concrete prefabricated post can not suspension-center pre-embedded, and anchor ear and foot pad can be repeatedly utilized so that;The usage amount for saving loop wheel machine, the place restricted problem for avoiding cable wind rope from positioning improve lifting accuracy, solve the problems, such as traditional construction, improve efficiency of assembling, save duration and cost.

Description

A kind of precast concrete octagonal column assembly device and its installation method
Technical field
The present invention relates to Large Precast Members mounting technique fields, refer specifically to a kind of precast concrete octagonal column assembly dress It sets, also discloses the installation method of precast concrete octagonal column.
Background technology
Installation for overlength super large precast concrete column, existing construction technology are by pre-buried on concrete prefabricated column Suspension centre is lifted, and is required two cranes of high use at both ends to component finished product protection while being lifted by crane, one end is avoided to land brokenly Bad suspension column.In installation process degree control is carried out using cable wind rope.Component spreading is used reserves one section of sky between two components Between, then this trough poured using cast-in-place concrete, to make each component connect.Basic built-in fitting is mainly by being arranged shaped steel Embedded part is placed on holder by holder, and embedded part is fixed with holder or with structure reinforcing bars welding.When concreting, holder It is cast in concrete with together with embedded part.
Existing construction technology the main problems are as follows:
1, basic embedded part is pre-buried:Embedded part is welded with reinforcing bar or holder, easy to operate effective, but is being required to embedded part and main body Reinforcing bar is affected, and embedded part, which is checked, needs whole process to be monitored using instrument.
2, design of lifting points:Traditional method buries hanging ring in using, and setting prompt operation is simple but prefabricated for prestressed centrifugally Component can not place built-in type hanging ring and lifting lug;
3, hoisting method:From one end, lifting is easily destroyed suspension column, and double crane lifting occupied grounds are larger, and machinery expenses are high;
4, degree control is adjusted with cable wind rope:It is easy to operate effective, but need that drawknot node is arranged on existing structure, have A little projects do not satisfy the requirements.And due to component overlength, to ensure that the angle of cable wind rope needs the place of bigger.Cable wind rope be easy with Full hall scaffold or other component conflicts, gently then influence cable wind rope stress, heavy then influence full hall scaffold safety;
5, the method for conventional components connection needs connector being arranged at beam, Column border node position.There is no beam column for centre Node and prefabricated components surface can not solve this directly as decorative cover, the component more demanding to appearance, traditional connection method One problem.
Therefore, the existing technology needs to be improved and developed.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide one kind is compact-sized, easy to operate, hangs Fill the precast concrete octagonal column assembly device and installation method that efficient, accurate positioning is stablized.
To achieve the goals above, the present invention uses following technical scheme:
A kind of precast concrete octagonal column of the present invention assembles device, including cylinder and fixture, the fixture include Two semicircle anchor ears of cylinder both sides are symmetricly set on, the both ends of semicircle anchor ear are equipped with several connecting seats, several connecting seats two Two opposite are arranged in groups and each group connecting seat is along the spaced setting in vertical line direction;Corresponding connection on described two semicircle anchor ears Clamp linkage is equipped between seat;Pedestal is equipped on the lateral surface of described two semicircle anchor ears, and pedestal is equipped with hanging ring.
According to above scheme, the pedestal is equipped with can be along its laterally movable anti-skid bolt, and the inner end of anti-skid bolt is worn In on semicircle anchor ear, being arranged with two holes for hoist coordinated with anti-skid bolt in the upper end wall of cylinder.
According to above scheme, the hanging ring on one of semicircle anchor ear is in the projection of clamp linkage in the horizontal plane It is arranged in parallel, the hanging ring on another semicircle anchor ear is vertical setting with the projection of clamp linkage in the horizontal plane.
Further include the foot pad of several " L " shapes, the right angle medial surface of foot pad is equipped with cushion pad, several according to above scheme Foot pad is sleeved on the surrounding of cylinder lower face, and several foots pad are tied up and are fixed on cylinder.
A kind of installation method of precast concrete octagonal column, steps are as follows:
A, measurement control cage is built in octagonal column periphery, control cage will be measured and be arranged concentrically with octagonal column, control cage is measured For positive tetrahedron window frame structure, the either side for measuring control cage is parallel with the corresponding side surface of octagonal column, measures and is set in control cage Set axis marking line and absolute altitude control line;
B, the supporting rack being connect with full hall frame is built, basic embedded part is fixed on supporting rack, the height of supporting rack and position It sets by measuring axis marking line and absolute altitude control line realization quickly positioning and adjustment in control cage;
C, precast concrete octagonal column pours, and reserves the hole position of hole for hoist when pouring on the head of octagonal post mold;
Several foots pad are arranged in correspondence with the bottom of octagonal column and are bundled with it solid by the d, lifting of precast concrete octagonal column It is fixed, two semicircular anchor ears are connected to the head of octagonal column, and anti-skid bolt thereon is made to be inserted into corresponding hole for hoist, then Octagonal column is sling with loop wheel machine hawser connection hanging ring;
E, the degree control of precast concrete octagonal column, after octagonal column is lifted into installation position, basic embedded part, including setting Bottom plate in octagonal column bottom end, is arranged point of adjustment between octagonal column base plate and installation position, and each side of octagonal column base plate is equal Two point of adjustment are symmetrically arranged, then the absolute altitude of point of adjustment are adjusted by steel plate washer to control hanging down for octagonal column installation Straight degree.
According to above scheme, the precast concrete octagonal column of the step c is embedded with several anchor poles when pouring, basis Embedded part includes the lifting plate being arranged in octagonal top end, and lifting plate is fixedly connected with anchor pole, and lifting plate is equipped with hanging ring.
According to above scheme, alert flag is equipped on the either side for measuring control cage.
The present invention has the beneficial effect that:Structure of the invention is reasonable, easy to assembly, efficiently solve centrifugal concrete prefabricated post without The problem of method suspension-center pre-embedded, and anchor ear and foot pad can be repeatedly utilized so that;The usage amount for saving loop wheel machine, the field for avoiding cable wind rope from positioning Ground restricted problem improves lifting accuracy, the characteristics of for engineering-environment and prefabricated components, efficiently solves in traditional construction and deposit The problem of, improve efficiency of assembling, save duration and cost.
Description of the drawings
Fig. 1 is the positive structure schematic of the present invention;
Fig. 2 is the top view cross section structural schematic diagram of the present invention;
Fig. 3 is the foot cushion structure schematic diagram of the present invention;
Fig. 4 is the measurement control cage and support frame structure diagram of the present invention.
In figure:
1, cylinder;2, semicircle anchor ear;3, clamp linkage;4, control cage is measured;11, hole for hoist;21, connecting seat;22, it clamps Connecting rod;23, pedestal;24, hanging ring;25, anti-skid bolt;31, clamp linkage;41, alert flag;42, supporting rack;43, basic embedded part; 44, anchor pole;45, plate is lifted.
Specific implementation mode
Technical scheme of the present invention is illustrated with embodiment below in conjunction with the accompanying drawings.
As shown in Figs 1-4, a kind of precast concrete octagonal column of the present invention assembles device, including cylinder 1 and fixture, The fixture includes two semicircle anchor ears 2 for being symmetricly set on 1 both sides of cylinder, and the both ends of semicircle anchor ear 2 are equipped with several connections Seat 21, several connecting seats 21 are arranged in groups relatively two-by-two and each group connecting seat 21 is along the spaced setting in vertical line direction;Described two Clamp linkage 22 is equipped on a semicircle anchor ear 2 between corresponding connecting seat 21;It is all provided on the lateral surface of described two semicircle anchor ears 2 There is pedestal 23, and pedestal 23 is equipped with hanging ring 24;Described two semicircle anchor ears 2 are clamped in the upper end of cylinder 1, clamp linkage 22 The connecting seat 21 at traction both ends makes semicircle anchor ear 2 and 1 integrally connected of cylinder, to which loop wheel machine draws hanging ring 24 to realize cylinder 1 Transfer, positioning and assembly manipulation;The fixed form of the semicircle anchor ear 2 solves centrifugal concrete prefabricated post and pre-buried can not hang The problem of point, and the mode of upper end traction makes the assembly of cylinder 1 that a loop wheel machine only be needed to can be realized, and reduces the usage charges of loop wheel machine With the occupancy with place space, the efficiency of assembly is improved.
The pedestal 23 is equipped with can be along its laterally movable anti-skid bolt 25, and the inner end of anti-skid bolt 25 is arranged in semicircle and embraces On hoop 2, two holes for hoist 11 coordinated with anti-skid bolt 25 are arranged in the upper end wall of cylinder 1;The semicircle anchor ear 2 passes through column 1 preset hole for hoist 11 of body realizes the positioning in axial direction, the problem of making cylinder 1 and semicircle anchor ear 2 avoid the occurrence of axial displacement, and Semicircle anchor ear 2 is clamped in the circumferential angle positioning that cylinder 1 can be realized on cylinder 1, solves the suspension centre of centrifugal concrete prefabricated post Problem.
Hanging ring 24 on one of semicircle anchor ear 2 is set with the projection of clamp linkage 22 in the horizontal plane in parallel It sets, the hanging ring 24 on another semicircle anchor ear 2 is vertical setting with the projection of clamp linkage 22 in the horizontal plane;It is described two to hang When being staggered of ring 24 can be such that loop wheel machine draws, cylinder 1 is unlikely to the problem of rotation occur.
Further include the foot pad 3 of " L " shape, the right angle medial surface of foot pad 3 is equipped with cushion pad 31, and several foots pad 3 are set with Outside in 1 lower face of cylinder, and several foots pad 3 are tied up and are fixed on cylinder 1;Pass through rubber buffer 31 and concrete column 1 contact works as a buffer protection cylinder 1 and is contacted with ground by foot pad 3 during lifting, coagulation is protected with this 1 structure of earth pillar body is unaffected.
A kind of installation method of precast concrete octagonal column, steps are as follows:
A, measurement control cage is built in octagonal column embedded part periphery, control cage 4 will be measured and be arranged concentrically with octagonal column, control is measured Frame 4 processed is window frame structure, and the either side for measuring control cage 4 is parallel with the corresponding side surface of octagonal column, measures and is arranged in control cage 4 Axis marking line and absolute altitude control line.It measures control cage 4 not connect with frame body around, being separately provided prevents from disturbing.Measure control Frame 4 is equipped with axis marking line corresponding with octagonal column and pours absolute altitude control line, to facilitate positioning and the peace of basic embedded part Dress, can be improved the precision and production efficiency of precast concrete octagonal column;
B, the supporting rack 42 being connect with full hall frame is built, basic embedded part 43 is fixed on supporting rack 42, supporting rack 42 Height and position are by measuring axis marking line and absolute altitude control line realization quickly positioning and adjustment in control cage 4;The base Plinth embedded part 43 is fixed on by supporting rack 42 on the pre- casting position of octagonal column, and the specification for pouring octagonal column in advance is almost the same, and The relative position variation of basic embedded part 43 is more;Support frame as described above 42 is connected and fixed with full hall frame, and supporting rack 42 is indicated with axis It can be realized by angle square and tape measure between line, absolute altitude control line and quickly measure and position, to improve the quick of basic embedded part 43 Positioning and quickly adjustment carry out positioning review calibration without using instrument, effectively improve and pre- pour efficiency and positioning accuracy;
C, precast concrete octagonal column is prefabricated, can be prefabricated in the factory or make at the scene.In octagonal column when prefabricated Reserve the hole position of hole for hoist 11 in the head of mold;The octagonal column docks embracing in above-mentioned assembly device in head preformed hole position Hoop 2 solves the problems, such as that suspension centre is arranged, the fixation for improving stone tongs is strong to fix octagonal column in the circumferential to be lifted Degree;
D, the lifting of precast concrete octagonal column, by one or several foots pad 3 be arranged in correspondence with the bottom of octagonal column simultaneously With its bundled fixed, two semicircular anchor ears 2 are connected to the head of octagonal column, and anti-skid bolt 25 thereon is made to be inserted into correspondence Hole for hoist 11, then with loop wheel machine hawser connection hanging ring 24 octagonal column is sling;It is bundled in eight by dedicated " L " shape foot pad 3 The bottom end of corner post sets rubber buffer 31 in foot pad 3, and foot pad 3 is contacted with ground during lifting, prefabricated mixed to avoid The bottom of solidifying henry anisetree fruit column occurs hitting damaged problem;
E, the degree control of precast concrete octagonal column, after octagonal column is lifted into installation position, the bottom in octagonal column bottom end Point of adjustment is set between plate and installation position, and each side of octagonal column base plate is symmetrically arranged two point of adjustment, then passes through Steel plate washer is adjusted the height of point of adjustment to control the verticality of octagonal column installation;Several 1- are set in the point of adjustment The steel plate washer of 3mm, then the flatness between each point of adjustment be adjusted, to vertical after keeping octagonal column lifting in place Degree control enables octagonal column once mounting to avoid subsequently adjusting in place in 1-2mm.
The installation method of the precast concrete octagonal column is directed to the characteristics of engineering-environment and prefabricated components, from octagonal column Basic embedded part is fixed, suspension centre is arranged, lifting method and verticality adjustment various aspects are improved, and efficiently solves traditional construction The problem of, it improves efficiency of assembling, save duration and cost.
Alert flag 41, the alert flag 41 and octagonal column are equipped on the either side for measuring control cage 4 Side is proofreaded, and the setting of axis marking line and absolute altitude control line can be facilitated, and improves the positioning accuracy of basic embedded part 43.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application range, The equivalent change or modification that feature and principle are done, is included within the scope of present patent application.

Claims (6)

1. a kind of precast concrete octagonal column assembles device, including cylinder (1) and fixture, it is characterised in that:The fixture includes Two semicircle anchor ears (2) of cylinder (1) both sides are symmetricly set on, the both ends of semicircle anchor ear (2) are equipped with several connecting seats (21), Several connecting seats (21) are arranged in groups relatively two-by-two and each group connecting seat (21) is along the spaced setting in vertical line direction;It is described two Clamp linkage (22) is equipped on semicircle anchor ear (2) between corresponding connecting seat (21);The lateral surface of described two semicircle anchor ears (2) On be equipped with pedestal (23), and pedestal (23) is equipped with hanging ring (24).
2. precast concrete octagonal column according to claim 1 assembles device, it is characterised in that:It is set on the pedestal (23) Having can be along its laterally movable anti-skid bolt (25), and the inner end of anti-skid bolt (25) is arranged on semicircle anchor ear (2), cylinder (1) Two holes for hoist (11) coordinated with anti-skid bolt (25) are arranged in upper end wall.
3. precast concrete octagonal column according to claim 1 assembles device, it is characterised in that:One of semicircle Hanging ring (24) on anchor ear (2) is set in parallel with the projection of clamp linkage (22) in the horizontal plane, another semicircle anchor ear (2) On hanging ring (24) be vertical setting with the projection of clamp linkage (22) in the horizontal plane.
4. precast concrete octagonal column according to claim 1 assembles device, it is characterised in that:It further include " L " shape Foot pad (3), the right angle medial surface of foot pad (3) is equipped with cushion pad (31), and several foots pad (3) are sleeved on cylinder (1) lower face Outside, and several foots pad (3) are tied up and are fixed on cylinder (1).
5. a kind of precast concrete octagonal column assembling device using any precast concrete octagonal columns of claim 1-4 Installation method, which is characterized in that include the following steps:
A, measurement control cage is built in octagonal column embedded part periphery, control cage (4) will be measured and be arranged concentrically with octagonal column, control is measured Frame (4) is window frame structure, and the either side for measuring control cage (4) is parallel with the corresponding side surface of octagonal column, is measured in control cage (4) Axis marking line and absolute altitude control line are set;
B, the supporting rack (42) being connect with full hall frame is built, basic embedded part (43) is fixed on supporting rack (42), supporting rack (42) height and position are by measuring axis marking line in control cage (4) and absolute altitude control line is realized quickly positioning and adjusted It is whole;
C, precast concrete octagonal column is prefabricated, reserves the hole position of hole for hoist (11) when prefabricated on the head of octagonal post mold;
D, the lifting of precast concrete octagonal column, by one or more foots pad (3) be arranged in correspondence with the bottom of octagonal column and with Two semicircular anchor ears (2) are connected to the head of octagonal column by its bundled fixed, and make anti-skid bolt (25) insertion pair thereon Then the hole for hoist (11) answered is sling octagonal column with loop wheel machine hawser connection hanging ring (24);
E, the degree control of precast concrete octagonal column, after octagonal column is lifted into installation position, octagonal column bottom end bottom plate with Point of adjustment is set between installation position, and each side of octagonal column base plate is symmetrically arranged two point of adjustment, then passes through steel pad Piece is adjusted the height of point of adjustment to control the verticality of octagonal column installation.
6. the installation method of precast concrete octagonal column according to claim 5, it is characterised in that:The measurement control cage (4) alert flag (41) is equipped on either side, mark warning word, axial line control line and mark in alert flag (41) It is high.
CN201610888881.4A 2016-10-11 2016-10-11 A kind of precast concrete octagonal column assembly device and its installation method Active CN106351400B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610888881.4A CN106351400B (en) 2016-10-11 2016-10-11 A kind of precast concrete octagonal column assembly device and its installation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610888881.4A CN106351400B (en) 2016-10-11 2016-10-11 A kind of precast concrete octagonal column assembly device and its installation method

Publications (2)

Publication Number Publication Date
CN106351400A CN106351400A (en) 2017-01-25
CN106351400B true CN106351400B (en) 2018-08-28

Family

ID=57866281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610888881.4A Active CN106351400B (en) 2016-10-11 2016-10-11 A kind of precast concrete octagonal column assembly device and its installation method

Country Status (1)

Country Link
CN (1) CN106351400B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108204044A (en) * 2018-01-10 2018-06-26 兰州大学 A kind of construction method of round steel pipe constraint reinforced column
CN109881901A (en) * 2019-04-01 2019-06-14 中国十七冶集团有限公司 A kind of prefabricated post lifting bottom reserved steel bar protective device and its application method
CN112627049A (en) * 2021-01-08 2021-04-09 山东高速建设管理集团有限公司 Socket-type automatic positioning device for prefabricated bridge pier and operation method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100997106B1 (en) * 2008-06-10 2010-11-30 지에스건설 주식회사 Jig System for A Bridge Pier
CN202577305U (en) * 2012-05-23 2012-12-05 中国建筑第八工程局有限公司 Steel column positioner
CN203247839U (en) * 2013-05-15 2013-10-23 中建四局第六建筑工程有限公司 Tool type die hanging machine for hydropower engineering
CN104060845B (en) * 2014-06-30 2016-08-24 中国建筑第八工程局有限公司 A kind of steel column temporary fixing structure and construction method thereof
CN104088468B (en) * 2014-07-14 2016-04-13 内蒙古杭萧钢构有限公司 A kind of steel work Multi-section column lifting automatic decoupling device
CN204282842U (en) * 2014-12-04 2015-04-22 中冶天工集团有限公司 A kind of segmentation steel column is installed and is connected hoisting structure
CN105756356B (en) * 2016-03-23 2018-01-09 中冶建工集团有限公司 A kind of steel pipe column casing mounting and adjusting alignment methods

Also Published As

Publication number Publication date
CN106351400A (en) 2017-01-25

Similar Documents

Publication Publication Date Title
CN106351400B (en) A kind of precast concrete octagonal column assembly device and its installation method
CN111851565B (en) Steel structure stand column alignment structure with cup-mouth type foundation and construction method thereof
CN107030875B (en) Detachable and adjustable positioning system and positioning method for embedded ribs of prefabricated assembly bearing platform of bridge
CN205873658U (en) Section qxcomm technology upset of abnormal shape distortion tata festival promotes hoist
CN105317052B (en) Tower crane foundation bolt fixing method
CN209665710U (en) It is a kind of for making the formwork structure of prefabricated stand column
CN108411790A (en) A kind of adjustable installing bracket of prefabricated assembled segmentation bent cap
CN111056455B (en) Concrete pouring positioning equipment for iron tower base of communication base station
CN210797279U (en) Bridge assembled pier column turning device convenient to operate
CN108570989A (en) The suspension vertical adjustment system placed in the middle and construction method of pile foundation steel lattice column
CN205894490U (en) Steel core concrete column and pile foundation connection structure
CN208650087U (en) Steel pipe column fast-positioning device for contrary sequence method
CN203626055U (en) Super-high-rise large-section half-embedded type intensive anchor bar steel column base locating support
CN211472207U (en) Suspension beam system for hoisting prefabricated section box girder
CN106836255B (en) The integral prefabricated structure of basement bottom board catch pit steel mesh and method of construction
CN106150105A (en) A kind of stiffened column installation method
CN208379444U (en) A kind of adjustable installing bracket of prefabricated assembled segmentation bent cap
CN208533893U (en) A kind of concrete prefabricated stairs
CN205444692U (en) Dendroid steel pipe concrete beam forming post
CN109837838A (en) A kind of construction method of steel reinforced concrete box beam
CN212742614U (en) Foundation inner stand column positioning and mounting structure
CN114809673A (en) Rear-buried foundation bolt suspension positioning method in street lamp concrete foundation pouring
CN110040632A (en) A kind of segmental hoisting construction method of large span section steel beam
CN210393407U (en) Elevation positioning control device for hoisting large embedded part
CN209799529U (en) communication tower prefabricated base convenient for wiring

Legal Events

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