CN115613753A - Construction method of channel type reaction pedestal - Google Patents

Construction method of channel type reaction pedestal Download PDF

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Publication number
CN115613753A
CN115613753A CN202211300261.6A CN202211300261A CN115613753A CN 115613753 A CN115613753 A CN 115613753A CN 202211300261 A CN202211300261 A CN 202211300261A CN 115613753 A CN115613753 A CN 115613753A
Authority
CN
China
Prior art keywords
anchor hole
channel
anchor
module
pedestal
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
Application number
CN202211300261.6A
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Chinese (zh)
Inventor
隗合新
郭颖
何建超
宋庆普
张振禹
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.)
First Construction Co ltd Of China Construction Sixth Engineering Bureau
China Construction Sixth Engineering Division Co Ltd
Original Assignee
First Construction Co ltd Of China Construction Sixth Engineering Bureau
China Construction Sixth Engineering Division Co Ltd
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 First Construction Co ltd Of China Construction Sixth Engineering Bureau, China Construction Sixth Engineering Division Co Ltd filed Critical First Construction Co ltd Of China Construction Sixth Engineering Bureau
Priority to CN202211300261.6A priority Critical patent/CN115613753A/en
Publication of CN115613753A publication Critical patent/CN115613753A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/08—Members specially adapted to be used in prestressed constructions
    • E04C5/10—Ducts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/121—Construction of stressing jacks
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/122—Machines for joining reinforcing bars
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/16—Tools or apparatus
    • E04G21/18—Adjusting tools; Templates
    • E04G21/1841—Means for positioning building parts or elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/30—Safety or protective measures preventing damage to building parts or finishing work during construction against mechanical damage or dirt, e.g. guard covers of stairs

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses a construction method of a channel type reaction pedestal, which comprises the following steps: 1) Paying out the position lines of the channel and the anchor hole module; 2) Binding the bottom steel bars of the pedestal; 3) Installing a channel and an anchor hole module; 4) Leveling and heightening; 5) Binding steel bars in the middle of the pedestal below the anchor hole; 6) Installing a connecting anchor hole assembly, connecting two adjacent left and right installation channels and anchor hole modules together by adopting the connecting anchor hole assembly, wherein each channel and anchor hole module comprises a support, two rows of channels and a row of module anchor hole assemblies connected between the two rows of channels, and the module anchor hole assemblies and the channels are supported by the supports; the connecting anchor hole assembly has the same structure as the module anchor hole assembly and comprises an anchor hole which is vertically arranged and an upper cross beam and a lower cross beam, wherein the anchor hole is arranged in the middle and is connected with the two cross beams through a horizontal supporting plate; 7) Binding upper reinforcing steel bars of the pedestal, and sealing the channel and the anchor hole by using a cover plate; 8) And (5) pouring concrete. The invention has high installation precision and high construction speed.

Description

Construction method of channel type reaction pedestal
Technical Field
The invention relates to the technical field of laboratory construction of three-dimensional counter-force structures, in particular to a construction method of a road groove type counter-force pedestal.
Background
With the continuous emergence of new structure theory and calculation method, many complex structures need structure tests to be verified, and the importance of the structure tests is increasingly highlighted. The structure laboratory is the hardware platform that civil engineering field carries out scientific experiment indispensable, and wherein three-dimensional counter-force structure laboratory is that large-scale, full-scale structure and component carry out the essential equipment platform of pseudo-static force and pseudo-dynamic test, including counter-force wall and counter-force pedestal, wherein the counter-force pedestal is including being equipped with the basement, taking the counter-force pedestal of loading hole and taking the lane slot type counter-force pedestal of anchor eye.
The reaction groove and the anchor hole are reaction devices for balancing vertical load applied to the test piece during the structural test, the requirements on the installation accuracy and quality of the reaction groove and the anchor hole are very high, a single point is required to bear more than 50t of upward pulling force, and the reaction groove and the anchor hole are a key for installation and construction of the channel type reaction pedestal. If the anti-pulling stress of the channel is not easy to release by adopting the standard process of the conventional process, the channel is easy to generate anti-pulling cracks to influence the subsequent use; the traditional construction method is adopted, field one-by-one installation is realized, the installation precision is low, and the construction speed is low. The channel steel openings of the channels face inwards, and secondary concrete pouring is needed for separating the space between the channels; the supporting steel bars are directly welded on the web plate of the channel steel, the welding deformation is large, and a flat cover plate cannot be installed. Because the groove type reaction force pedestal is only used in a structural laboratory and has less application, related documents can hardly be used for reference, and a successful construction case is not provided.
Disclosure of Invention
The invention provides a construction method of a road-groove type reaction pedestal, aiming at solving the technical problems in the prior art, and the method has high installation precision and high construction speed.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows: a construction method of a channel type reaction pedestal adopts the following steps: 1) Paying out position lines of the channel and the anchor hole module on the foundation cushion layer; 2) Binding the bottom steel bars of the pedestal; 3) Installing channel and anchor module according to designed position, the channel and anchor module includes support, two rows of channels and one row of module anchor hole assembly connected between them, the module anchor hole assembly and the channel are supported by the support; 4) Leveling and heightening; 5) Binding steel bars in the middle of the pedestal below the anchor hole; 6) Installing a connecting anchor hole assembly according to a designed position, and connecting two adjacent left and right installation channels and anchor hole modules together by adopting the connecting anchor hole assembly; the connecting anchor hole assembly has the same structure as the module anchor hole assembly and comprises an anchor hole which is vertically arranged and an upper cross beam and a lower cross beam, and the anchor hole is arranged in the middle and is connected with the two cross beams through a horizontal supporting plate; 7) Binding upper reinforcing steel bars of the pedestal, and sealing the channel and the anchor hole by using a cover plate; 8) And (5) pouring concrete.
The upper part of the channel is composed of two back-to-back channel steels.
The channel with all be equipped with the apron tang on the anchor eye be equipped with the apron with the main part parallel and level on the apron tang be equipped with the counter weight structure below the apron.
A plurality of uniformly distributed rib plates are arranged in the channel steel of the channel, and the rib plates are connected with the bracket through upright rods; the connecting anchor hole assembly and the module anchor hole assembly upper beam are connected with the rib plate and the upright rod, and the lower beam is connected with the upright rod.
And the rib plate is provided with an anti-pulling stress release hole.
The lower part of the anchor hole is provided with a nut, the upper part of the anchor hole is provided with a positioning hole, the lower part of the outer side of the anchor hole is provided with an anchor plate, the top of the anchor hole is provided with a flange, the flange is provided with a positioning connecting hole, and the nut is assembled at the lower end of the main body of the anchor hole.
The nut is assembled at the lower end of the main body of the anchor hole.
The support is formed by welding channel steel, and the top is equipped with supporting beam, the pole setting by supporting beam supports, the pole setting is made by the angle steel.
The upper cross beam and the lower cross beam of the connecting anchor hole assembly are both made of channel steel.
The invention has the advantages and positive effects that:
1) By adopting the modular embedded parts, the concrete can be poured at one time.
2) The modules are manufactured by utilizing the advanced processing technology of a factory, the precision is high, and the field installation precision and the construction efficiency can be further improved.
3) The channel is of a structure with the channel steel opening facing outwards, is connected with the bracket through a channel steel rib plate and the upright stanchion, and has small welding deformation; the cover plate spigot is machined on the channel, so that the cover plate and the channel are flush; the anti-pulling stress release holes are formed in the rib plates of the channel steel, so that the anti-pulling stress can be effectively released, and cracks are prevented from being generated in the channel.
4) The anchor hole adopts a machining assembly structure, so that the precision is high; the nut is arranged downwards so as to be universal with a pedestal anchor rod used subsequently; the upper part is provided with a positioning hole which can be used for limiting the anchor rod; the anchor plate is arranged, so that the anti-pulling performance of the anchor hole can be improved; the flange is arranged at the top, and the positioning connecting hole is additionally arranged on the flange, so that the positioning connection in the test is facilitated. Meanwhile, the anchor hole is connected with the cross beam through the supporting plate, so that the adjustment is convenient, and the installation precision can be improved.
5) The anchor eye subassembly has saved vertical brace with the help of module support location, has increased the level simultaneously and has propped for whole module support, has improved whole module support's stability ability and resistance to plucking performance.
6) After the test is finished, a cover plate which is parallel to the main body can be additionally arranged on the anchor hole and the channel, and the safety is good. The cover plate adopts a downward-attached counterweight structure, so that the cover plate is not easy to move or turn over; is beneficial to protecting finished products.
In conclusion, the invention has high installation precision and high construction speed.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic plan view of the insert of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic plan view of a portion of a channel and anchor block of the present invention;
FIG. 5 is a side elevational view of the channel and anchor hole module of the present invention;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a schematic structural view of a connection anchor port assembly and a modular anchor port assembly of the present invention;
FIG. 8 is a schematic view of the anchor eye structure of the present invention;
fig. 9 is a schematic view of the flange structure of the present invention.
In the figure: 1. a channel and anchor hole module; 1-1, a bracket; 1-2, a channel; 1-3, module anchor eye components; 1-4, cover plate seam allowance; 1-5, rib plates; 1-6, erecting a rod; 2. connecting the anchor eye assembly; 2-1, anchor holes; 2-1-1, nut; 2-1-2, positioning holes; 2-1-3, anchor plate; 2-1-4, flange; 2-1-5, positioning the connecting hole; 2-2, an upper cross beam; 2-3, a lower cross beam; 2-4, horizontal support plates; 2-5, and a cover plate.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1 to 9, a construction method of a ballast-type reaction pedestal includes the following steps:
1) The position lines of the channel and the anchor eye module are paid out on the foundation mat.
2) And (5) binding the bottom steel bars of the pedestal.
3) Installing a channel and an anchor hole module according to a designed position; the channel and anchor module 1 comprises a support 1-1, two rows of channels 1-2 and a row of module anchor assemblies 1-3 connected between the two rows of channels 1-2, wherein the module anchor assemblies 1-3 and the channels 1-2 are supported by the support 1-1.
4) Leveling and heightening;
5) Binding steel bars in the middle of the pedestal below the anchor hole;
6) And installing a connecting anchor hole assembly according to the designed position, and connecting two adjacent left and right installation channels and anchor hole modules together by adopting the connecting anchor hole assembly.
The connecting anchor hole assembly 2 is the same as the module anchor hole assembly 1-3 in structure and comprises an anchor hole 2-1 which is vertically arranged and an upper cross beam and a lower cross beam, wherein the anchor hole 2-1 is arranged in the middle and is connected with the two cross beams through a horizontal supporting plate 2-4.
The left channel and the right adjacent channel and anchor hole modules 1 are connected through a plurality of connecting anchor hole assemblies 2.
7) And (3) binding the upper reinforcing steel bars of the pedestal, and sealing the channel and the anchor hole by using the cover plate to prevent concrete from entering during subsequent pouring.
8) And (5) pouring concrete.
In this embodiment the upper part of the channels 1-2 is formed by two channel beams back to back. And a cover plate spigot 1-4 is arranged on the channel 1-2. Cover plate rabbets are arranged on the channel 1-2 and the anchor hole 2-1, a cover plate which is parallel to the main body is arranged on the cover plate rabbets, and a balance weight structure is arranged below the cover plate. In the figure, a cover plate 2-5 is additionally arranged on an anchor hole 2-1, and the structure of additionally arranging the cover plate on a channel 1-2 is not shown, which are the same as each other and different in size, and are not described again. A plurality of uniformly distributed rib plates 1-5 are arranged in the channel steel of the channel 1-2, and the rib plates 1-5 are connected with the bracket 1-1 through upright rods 1-6; the connecting anchor eye component 2, the upper crossbeam 2-2 are connected with the rib plates 1-5 and the upright stanchions 1-6, and the lower crossbeam 2-3 is connected with the upright stanchions 1-6. The ribbed plates 1-5 are provided with anti-pulling stress release holes. The lower portion of the anchor hole 2-1 is provided with a nut 2-1-1, the upper portion of the anchor hole is provided with a positioning hole 2-1-2, the lower portion of the outer side of the anchor hole is provided with an anchor plate 2-1-3, the top of the anchor hole is provided with a flange 2-1-4, the flange 2-1-4 is provided with a positioning connecting hole 2-1-5, and the nut 2-1-1 is assembled at the lower end of a main body of the anchor hole 2-1. The support 1-1 is formed by welding channel steel, a supporting cross beam is arranged at the top of the support, the vertical rods 1-6 are supported by the supporting cross beam, and the vertical rods 1-6 are made of angle steel. The upper cross beam 2-2 and the lower cross beam 2-3 of the connecting anchor hole assembly 2 are both made of channel steel.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and those skilled in the art can make many modifications without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims (9)

1. A construction method of a road groove type reaction pedestal is characterized by comprising the following steps:
1) Paying out position lines of the channel and the anchor hole module on the foundation cushion layer;
2) Binding a bottom steel bar of the pedestal;
3) Installing a channel and an anchor hole module according to the design position,
the channel and anchor module comprises a support, two rows of channels and a row of module anchor assemblies connected between the two rows of channels, wherein the module anchor assemblies and the channels are supported by the support;
4) Leveling and heightening;
5) Binding steel bars in the middle of the pedestal below the anchor hole;
6) Installing a connecting anchor hole assembly according to a designed position, and connecting two adjacent left and right installation channels and anchor hole modules together by adopting the connecting anchor hole assembly;
the connecting anchor hole assembly has the same structure as the module anchor hole assembly and comprises an anchor hole which is vertically arranged and an upper cross beam and a lower cross beam, and the anchor hole is arranged in the middle and is connected with the two cross beams through a horizontal supporting plate;
7) Binding upper reinforcing steel bars of the pedestal, and sealing the channel and the anchor hole by using a cover plate;
8) And (5) pouring concrete.
2. The method of claim 1, wherein the channel is formed by two back-to-back channels at the top of the channel.
3. The construction method of the channel type reaction force pedestal according to claim 2, wherein cover plate rabbets are arranged on the channel and the anchor holes, a cover plate flush with the main body is arranged on the cover plate rabbets, and a counterweight structure is arranged below the cover plate.
4. The construction method of the channel type reaction pedestal according to claim 2, wherein a plurality of uniformly distributed rib plates are arranged in channel steel of the channel, and the rib plates are connected with a support through upright rods; the connecting anchor hole assembly and the module anchor hole assembly upper beam are connected with the rib plate and the upright rod, and the lower beam is connected with the upright rod.
5. The method of constructing a tunnel-type reaction force pedestal according to claim 4, wherein the rib plate is provided with a pull-out stress relief hole.
6. The construction method of the ballast channel type reaction force pedestal according to claim 1, wherein the anchor hole is a nut at the lower part, the upper part is provided with a positioning hole, the outer lower part is provided with an anchor plate, the top part is provided with a flange, the flange is provided with a positioning connection hole, and the nut is assembled at the lower end of the main body of the anchor hole.
7. The method of claim 6, wherein the nut is fitted to a lower end of the main body of the anchor hole.
8. The construction method of a channel-type reaction pedestal according to claim 6, wherein the bracket is formed by welding channel steel, a supporting beam is arranged on the top of the bracket, the vertical rod is supported by the supporting beam, and the vertical rod is made of angle steel.
9. The method of constructing a trough reaction foundation of claim 1, wherein the upper and lower beams of the connection anchor eye assembly are made of channel steel.
CN202211300261.6A 2022-10-24 2022-10-24 Construction method of channel type reaction pedestal Pending CN115613753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211300261.6A CN115613753A (en) 2022-10-24 2022-10-24 Construction method of channel type reaction pedestal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211300261.6A CN115613753A (en) 2022-10-24 2022-10-24 Construction method of channel type reaction pedestal

Publications (1)

Publication Number Publication Date
CN115613753A true CN115613753A (en) 2023-01-17

Family

ID=84864593

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211300261.6A Pending CN115613753A (en) 2022-10-24 2022-10-24 Construction method of channel type reaction pedestal

Country Status (1)

Country Link
CN (1) CN115613753A (en)

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