CN212641948U - Thin-wall steel pipe concrete combined column and foundation connecting node - Google Patents

Thin-wall steel pipe concrete combined column and foundation connecting node Download PDF

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Publication number
CN212641948U
CN212641948U CN202021163747.6U CN202021163747U CN212641948U CN 212641948 U CN212641948 U CN 212641948U CN 202021163747 U CN202021163747 U CN 202021163747U CN 212641948 U CN212641948 U CN 212641948U
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thin
concrete
steel tube
foundation
column
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CN202021163747.6U
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杨峰
席兆凯
项珺剑
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Ningbo Excellent Building Technology Co ltd
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Ningbo Excellent Building Technology Co ltd
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Abstract

A thin-wall steel tube concrete combination column and foundation connection node comprises a foundation concrete body, a thin-wall steel tube concrete column and adjusting bolts, wherein reinforcing steel bar connection holes are reserved in the foundation concrete body, the thin-wall steel tube concrete column comprises a thin-wall steel tube and steel tube inner concrete, a bolt penetrating support and vertical ribs are welded and connected to the bottom of the thin-wall steel tube, the vertical ribs are welded and connected along the periphery of the thin-wall steel tube, the vertical ribs extend out of the end portion of the thin-wall steel tube for a certain length, the reinforcing steel bar connection holes and the extending portions of the vertical ribs are connected through grouting materials in a pouring mode, the adjusting bolts are buried in the foundation concrete body for a certain depth, and the adjusting bolts are fixedly connected through the bolt. The vertical ribs at the bottom of the steel pipe column are directly inserted into the steel bar connecting holes to be poured and fixed, the node structure is simple, the verticality is adjusted when the steel pipe column is hoisted through the adjusting bolts, construction and installation are convenient, the lower parts of the vertical ribs are connected with a foundation in an anchoring mode, the upper parts of the vertical ribs are connected with the steel pipes in a welding mode, force transmission is reliable, and the strength and the rigidity of the node are guaranteed.

Description

Thin-wall steel pipe concrete combined column and foundation connecting node
Technical Field
The utility model relates to a build (structure) building field, especially relate to a thin wall steel pipe concrete combination post and basic connection node.
Background
The steel tube concrete combined column is usually connected with a foundation in a cup mouth type or column large foot and bolt mode, a hole larger than the section of the column is reserved in the center of the foundation in the cup mouth type foundation generally, grouting is carried out on peripheral gaps after the column is placed, the foundation forming construction is troublesome, the node structure is complex, and the column verticality adjustment is inconvenient. The foundation of column large foot-laying + bolt connection mainly adopts the articulated mode to carry out the coupling of foundation node, for the intensity and the rigidity of guaranteeing the node, need to link together column base and foundation reinforcement with buried bolt in advance, and the process is complicated, influences steel-pipe column hoist and mount construction progress, and with the steel volume big, simultaneously, column base bottom uses cement mortar to carry out steel pipe concrete combination column and makes level and straightens, and the straightness is difficult to be guaranteed to hang down, influences post construction quality. The thin-wall steel pipe concrete combination column and foundation connection node which has simple construction process, high hoisting speed and small steel consumption is not reported.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a construction process simple, hoist fast, with the little thin-walled steel pipe concrete combination post of steel volume and basic connection node.
According to the utility model provides a pair of thin-walled steel tube concrete combination column and basic connection node, including basic concrete body, thin-walled steel tube concrete column and adjusting bolt, basic concrete body reservation has the reinforcing bar connection hole, thin-walled steel tube concrete column includes concrete in thin-walled steel tube and the steel pipe, thin-walled steel tube bottom welding has worn bolt support and vertical muscle, vertical muscle is followed thin-walled steel tube welds the connection all around, vertical muscle stretches out thin-walled steel tube tip is certain length, reinforcing bar connection hole with the overhanging part of vertical muscle is pour the connection through the grout material, adjusting bolt buries in basic concrete body certain degree of depth, adjusting bolt passes through wear bolt support leveling fixed connection.
According to the utility model provides a pair of thin wall steel pipe concrete combination column still has following attached technical characterstic with basic connection node:
the outside that the thin-walled steel tube concrete column is close to ground high scope is equipped with the reinforced concrete layer, the reinforced concrete layer includes reinforcing bar and concrete part.
The foundation concrete body is provided with metal corrugated pipes embedded in the wall of the reinforcing steel bar coupling hole.
The thin-wall steel pipe is formed by welding and combining cold-bending formed thin-wall high-strength steel plates, and the strength of the thin-wall steel pipe is more than Q345.
The strength of the concrete in the steel pipe is above C50.
The grouting material is high-strength grouting material.
And a reinforced support steel plate is welded at the bottom of the thin-wall steel pipe concrete column.
And vertical stiffening ribs and braces are welded in the thin-wall steel pipes.
According to the utility model provides a pair of thin wall steel pipe concrete combination column and basis ally oneself with nodal point and prior art and compare and have following advantage:
1. the lower part of the steel bar at the bottom of the thin-wall steel pipe concrete column is connected with the foundation in an anchoring mode, and the upper part of the thin-wall steel pipe concrete column is connected with the steel pipe in a welding mode, so that force transmission is reliable, and the strength and the rigidity of a node are guaranteed.
2. The node is simple in structure, steel bars at the bottom of the steel pipe column are directly inserted into the steel bar connecting holes, and the verticality is adjusted when the steel pipe column is hoisted through the adjusting bolts, so that the construction and installation are convenient.
3. The reinforced concrete layer effectively prevents the corrosion of the thin-wall steel pipe concrete column and improves the durability of steel products.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1 to 3, in the embodiment of the present invention, the thin-wall steel tube concrete combined column and foundation connection node includes a foundation concrete body 1, a thin-wall steel tube concrete column 2 and an adjusting bolt 3, the foundation concrete body 1 is reserved with a reinforcement connection hole 11, the thin-wall steel tube concrete column 2 includes a thin-wall steel tube 21 and an inner steel tube concrete 22, a bolt-through support 23 and a vertical rib 4 are welded and connected to the bottom of the thin-wall steel tube 21, the vertical rib 4 is welded and connected around the thin-wall steel tube 21, the vertical rib 4 extends out of the end of the thin-wall steel tube by a certain length, the reinforcement connection hole 11 and the overhanging portion of the vertical rib 4 are poured and connected by a grouting material 6, the adjusting bolt 3 is embedded in the foundation concrete body 1 by a certain depth, and the adjusting bolt 3 is fixed and connected by leveling the bolt-through the bolt. The joint structure is simple, the vertical ribs 4 at the bottom of the steel pipe column are directly inserted into the steel bar connecting holes 11 for fixed connection, the adjusting bolts only need to adjust the verticality to complete the installation of the column, the joint structure is simple, and the construction efficiency is high.
Referring to fig. 1 and 2, in the embodiment of the present invention, a reinforced concrete layer 5 is disposed on the outside of the thin-wall steel tube concrete column 2 near the ground height, the reinforced concrete layer includes a steel bar 51 and a concrete portion 52, and a metal corrugated tube 12 is embedded in the wall of the steel bar connecting hole 11 of the foundation concrete body 1. The reinforced concrete layer 5 is used as a protective layer of the thin-wall steel pipe concrete column 2, the pouring height of the reinforced concrete layer is consistent with the ground, steel corrosion is effectively prevented, the durability of a column steel pipe is improved, the metal corrugated pipe 12 is pre-embedded before the foundation concrete is poured, a reinforced connecting hole 11 is formed, and construction is simple and convenient.
Referring to fig. 2 and 3, in the embodiment of the present invention, the thin-wall steel tube concrete column 21 is formed by welding and combining the cold-formed thin-wall high-strength steel plates, the strength of the thin-wall steel tube 21 is above Q345, the strength of the concrete 22 in the steel tube is above C50, the grouting material 6 is high-strength grouting material, the bottom of the thin-wall steel tube concrete column 2 is welded with the reinforced supporting steel plate 24, and the thin-wall steel tube 21 is welded with the vertical stiffening ribs 211 and the brace 212. The high-strength thin-wall steel tube 21 and the steel tube inner concrete 22 are adopted, so that the cost performance of materials is improved, the reinforced supporting steel plate 24 is favorable for improving the rigidity of the column bottom during installation, and the vertical stiffening ribs 211 and the bracing pieces 212 are favorable for improving the constraint performance of the steel tube inner concrete.
In the present invention, all "a certain distance" means a length necessary to satisfy a design requirement, that is, a length necessary to be suitable for a connection and a strength requirement, and the length is clear to those skilled in the art and may be set as needed.

Claims (8)

1. A thin-wall steel pipe concrete combined column and foundation connection node comprises a foundation concrete body, a thin-wall steel pipe concrete column and an adjusting bolt, and is characterized in that: the foundation concrete body is reserved with a reinforcing steel bar connecting hole, the thin-wall steel tube concrete column comprises a thin-wall steel tube and steel tube inner concrete, a bolt penetrating support and a vertical rib are welded at the bottom of the thin-wall steel tube, the vertical rib is welded and connected along the periphery of the thin-wall steel tube, the vertical rib extends out of the end part of the thin-wall steel tube by a certain length, the reinforcing steel bar connecting hole is cast and connected with the extending part of the vertical rib through grouting material, the adjusting bolt is embedded in the foundation concrete body by a certain depth, and the adjusting bolt is leveled and fixedly connected through the bolt penetrating support.
2. The coupling joint of the thin-walled steel-tube concrete composite column and the foundation as claimed in claim 1, wherein a reinforced concrete layer is provided outside the height range of the thin-walled steel-tube concrete column near the ground, the reinforced concrete layer comprising the reinforced steel bars and the concrete portion.
3. The thin-walled steel tube concrete composite column and foundation coupling node of claim 1, wherein the foundation concrete body is embedded with a metal corrugated tube in the wall of the reinforcing steel bar coupling hole.
4. The thin-walled steel tube concrete composite column and foundation coupling node of claim 1, wherein the thin-walled steel tube is formed by welding and combining thin-walled high-strength steel plates after cold-bending forming, and the strength of the thin-walled steel tube is more than Q345.
5. The thin-walled steel tube concrete composite column and foundation coupling node of claim 1, wherein the strength of the concrete in the steel tube is above C50.
6. The thin-walled steel tube concrete composite column and foundation coupling node of claim 1, wherein the grouting material is a high-strength grouting material.
7. The joint of the thin-walled steel tube concrete composite column and the foundation as claimed in claim 1, wherein the bottom of the thin-walled steel tube concrete column is welded with a reinforced supporting steel plate.
8. The joint of the thin-wall steel pipe concrete composite column and the foundation as claimed in claim 1, wherein vertical stiffeners and braces are welded in the thin-wall steel pipe.
CN202021163747.6U 2020-06-22 2020-06-22 Thin-wall steel pipe concrete combined column and foundation connecting node Active CN212641948U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021163747.6U CN212641948U (en) 2020-06-22 2020-06-22 Thin-wall steel pipe concrete combined column and foundation connecting node

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021163747.6U CN212641948U (en) 2020-06-22 2020-06-22 Thin-wall steel pipe concrete combined column and foundation connecting node

Publications (1)

Publication Number Publication Date
CN212641948U true CN212641948U (en) 2021-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113863672A (en) * 2021-11-25 2021-12-31 中国十九冶集团有限公司 Method for quickly constructing cylinder box concrete structure
US11293183B2 (en) * 2017-06-02 2022-04-05 China State Construction Engineering Corporation Limited Precast column base joint and construction method therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11293183B2 (en) * 2017-06-02 2022-04-05 China State Construction Engineering Corporation Limited Precast column base joint and construction method therefor
CN113863672A (en) * 2021-11-25 2021-12-31 中国十九冶集团有限公司 Method for quickly constructing cylinder box concrete structure

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