CN2898153Y - Concrete pouring tamping pole cap node by reversed construction - Google Patents

Concrete pouring tamping pole cap node by reversed construction Download PDF

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Publication number
CN2898153Y
CN2898153Y CN 200620041141 CN200620041141U CN2898153Y CN 2898153 Y CN2898153 Y CN 2898153Y CN 200620041141 CN200620041141 CN 200620041141 CN 200620041141 U CN200620041141 U CN 200620041141U CN 2898153 Y CN2898153 Y CN 2898153Y
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CN
China
Prior art keywords
cap
column
horizontal beam
concrete
lattice column
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Expired - Lifetime
Application number
CN 200620041141
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Chinese (zh)
Inventor
赵琪
杜建军
盛松龄
周恩度
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Shanghai No2 Building Co Ltd
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Shanghai No2 Building Co Ltd
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Priority to CN 200620041141 priority Critical patent/CN2898153Y/en
Application granted granted Critical
Publication of CN2898153Y publication Critical patent/CN2898153Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model belongs to a reverse construction technology for the building industry, in particular to a concrete placement column-cap joint with reverse construction method. The joint is positioned at the nodal point of horizontal beam and vertical lattice column, and comprises a column-cap fixed at the joint; casting hole and air vent formed by steel sleeve are positioned at the column-cap, and air vent is arranged into the lattice column. The utility model has the advantages that: the utility model takes the casting hole formed by horizontal beam and vertical lattice column as the pouring hole and vibrating hole, allowing the cloth duct to be directly arranged into the preset steel pipe; meanwhile, the vibrating rod can be smoothly inserted into the column-cap for efficient vibration. The air vent in the column-cap ensures that the junction of new and old concrete is cast compactly without expansion joint. The column-cap is designed specifically to ensure that the concrete can fall down freely for compact casting, and the vibrating rod can be used flexibly with a uniform appearance.

Description

Reverse construction casting and compacting of concrete cap node
Technical field
The utility model relates to a kind of reverse construction casting and compacting of concrete cap node, specifically in reverse construction, horizontal beam slab constructed finish after, be used to finish the cap node structure of the casting and compacting of concrete work of whole vertical pillar.
Background technology
In the reverse construction process because beam slab need construct as horizontal support in advance, vertical pillar need treat big base plate finish after again by constructing along doing mode.Beam slab post or water was together smash or was stayed according to designing requirement and established cap when making the construction post in the past, running into adverse construction method needs usually to adopt when making the construction post to stay at styletable and establishes the dustpan mouth then from dustpan mouth disturbing concrete, to be poured smashing cuts the dustpan mouth after finishing, its shortcoming be water smash be difficult for closely knit, form shrinkage crack at styletable easily, stressed unfavorable to pillar.
Therefore, design a kind of cap node, guaranteeing to carry out the casting and compacting of concrete work of vertical pillar along the stage of doing, and guarantee concrete compaction, become the technical barrier that those skilled in the art press for solution.
Summary of the invention
Problem to be solved in the utility model provides a kind of reverse construction casting and compacting of concrete cap node, finishing the casting and compacting of concrete work of vertical pillar, and guarantees concrete compaction.
The technical scheme of the utility model technical solution problem is as follows:
A kind of reverse construction casting and compacting of concrete cap node, described node is arranged on the node place of horizontal beam and vertical lattice column, it is characterized in that, comprise the cap that is fixedly installed on the node place, be set with watering of steel sleeve formation in the described cap and smash hole and air-vent, air-vent is arranged in the lattice column.
Further, also comprise the steel fabric sheet counterdie that is arranged on interior horizontal beam of lattice column and vertical lattice column bottom node place.
Described cap appearance integral is funnel-form, and on horizontal beam thickness, being the bottom surface is foursquare cuboid; Be frustum type under the horizontal beam.
The described diameter of smashing the hole that waters is 155~170mm, and the described hole depth of smashing the hole of watering is identical with the beam slab thickness of horizontal beam; The diameter of described air-vent is 155~170mm, and it is arranged in the middle of the lattice column, and its degree of depth is determined by the minimum batten plate of horizontal beam.
By above disclosed technical scheme as can be known, the utility model is smash the hole as the concrete casting grout and the hole of vibrating by reserving watering of steel sleeve formation at horizontal beam with vertical lattice column node place, cooperate suitable dimensions according to concrete automotive pump flexible pipe material distributing machine discharge nozzle diameter, be convenient to cloth tube and can directly insert among the reservation steel pipe, can guarantee that also Φ 35 vibrating heads seal in lattice column inside with having no resistance and effectively vibrate simultaneously.And, can guarantee that lattice column waters puddling in fact, no shrinkage joint in the New-old concrete junction by being arranged on the air-vent in the cap.Specially designed in addition cap shape can be guaranteed concrete energy free-falling and water puddling in fact that vibrating head can use flexibly, and the cap profile is unified attractive in appearance.
The beneficial effects of the utility model are as follows:
1, the utility model cap node is to guarantee one of key node that reverse construction carries out smoothly, is successfully to solve the contrary engineering of doing to be turned to along the necessary node of doing staged construction as the stage by contrary, and society wherein and economic benefit can't be estimated.
Facts have proved 2,, adopt to reserve to water and smash the hole that carry out the suitable of pillar with the cap form and do construction, its technology is feasible and economical.
Description of drawings
Fig. 1 is the utility model cap node facade structures schematic diagram;
Fig. 2 is the utility model cap node plane structure schematic diagram;
Fig. 3 is a steel mesh structure schematic diagram among Fig. 1.
The specific embodiment
Further specify the utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the utility model reverse construction casting and compacting of concrete cap node, described node is arranged on the node place of horizontal beam 1 and vertical lattice column 2, comprise the cap 3 that is fixedly installed on the node place, be set with watering of steel sleeve formation in the described cap and smash hole 4 and air-vent 5, air-vent is arranged in the lattice column.
For guaranteeing to carry out the casting and compacting of concrete construction of vertical pillar quickly and efficiently along the stage of doing, according to concrete automotive pump flexible pipe material distributing machine discharge nozzle diameter is Φ 150mm, adopt the steel sleeve of Φ 159mm to form to water at the post girder connection and smash hole 4, with as the concrete casting grout and the hole of vibrating, so that directly inserting, cloth tube reserves among the steel pipe, simultaneously can guarantee that also Φ 35 vibrating heads seal in column interior with having no resistance and effectively vibrate, the described hole depth of smashing hole 4 of watering is identical with beam slab 11 thickness of horizontal beam.And, consider that contrary to make Structure Beam-column node place reinforcing bar closely knit according to on-site actual situations, and general rebar spacing is arranged on air-vent 5 in the middle of the lattice column all more than 100mm, and the aperture of air-vent 5 is Φ 100mm, and its degree of depth is determined by the minimum batten plate 12 of horizontal beam.
Described cap profile is: on horizontal beam thickness, being the bottom surface is foursquare cuboid; Be frustum type under the horizontal beam.The cap size is emitted 300mm with respect to the every limit of lattice column size, receives in being lower than after the horizontal deck-molding gradually, and interior receipts highly are 600mm.The up big and down small funnel type cap shape of this kind can guarantee that concrete can free-falling and to water puddling real, and vibrating head can use flexibly, and the cap profile is unified attractive in appearance.
In addition because of the pillar in the post girder connection scope needs to do the stage and water together to smash with beam slab earlier and finish contrary, also comprise the steel fabric sheet counterdie 6 that is arranged on horizontal beams 1 and vertical lattice column 2 bottom node places in the lattice column 2.Described counterdie 6 is made skeleton with Φ 6 reinforcing bars, carries out colligation with Φ 2.2 steel fabric sheets.
Adopting the utility model to carry out adverse construction method comprises the steps:
1, after every layer of horizontal beam reinforced steel bar colligation finished, reserve Φ 159 steel sleeves as watering of stage lattice column casting and compacting of concrete smash the hole and the hole of vibrating along doing at lattice column and horizontal beam node place, steel sleeve height same level beam slab is thick; Reserve Φ 100 steel sleeves as air-vent in lattice column central authorities simultaneously;
2, in beam column scope bottom, make skeleton, carry out the colligation sealing, form the steel fabric sheet bed die one with Φ 2.2 steel fabric sheets with Φ 6 reinforcing bars;
3, the casting and compacting of concrete of each layer beam slab construction;
4, treat big base plate water smash finish after, turn to the basement vertical structure along constructing.Lattice column construction the time at first carrying out reinforcing bar binding, then according to the cap form formwork of determining, each cap unity of form is smash the hole by watering of reserving on the last layer plate at last and is carried out the casting and compacting of concrete construction.

Claims (4)

1. reverse construction casting and compacting of concrete cap node, described node is arranged on the node place of horizontal beam (1) and vertical lattice column (2), it is characterized in that, comprise the cap (3) that is fixedly installed on the node place, be set with watering of steel sleeve formation in the described cap and smash hole (4) and air-vent (5), air-vent is arranged in the lattice column.
2. reverse construction casting and compacting of concrete cap node according to claim 1 is characterized in that, also comprises the steel fabric sheet counterdie (6) that is arranged on interior horizontal beam of lattice column (2) (1) and vertical lattice column (2) bottom node place.
3. reverse construction casting and compacting of concrete cap node according to claim 1 is characterized in that described cap appearance integral is funnel-form, and on horizontal beam thickness, being the bottom surface is foursquare cuboid; Be frustum type under the horizontal beam.
4. reverse construction casting and compacting of concrete cap node according to claim 1 is characterized in that, the described diameter of smashing hole (4) that waters is 155~170mm, and the described hole depth of smashing hole (4) of watering is identical with beam slab (11) thickness of horizontal beam; The diameter of described air-vent (5) is 155~170mm, and it is arranged in the middle of the lattice column, and its degree of depth is determined by the minimum batten plate (12) of horizontal beam.
CN 200620041141 2006-04-18 2006-04-18 Concrete pouring tamping pole cap node by reversed construction Expired - Lifetime CN2898153Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620041141 CN2898153Y (en) 2006-04-18 2006-04-18 Concrete pouring tamping pole cap node by reversed construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620041141 CN2898153Y (en) 2006-04-18 2006-04-18 Concrete pouring tamping pole cap node by reversed construction

Publications (1)

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CN2898153Y true CN2898153Y (en) 2007-05-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101492918B (en) * 2008-01-24 2012-02-01 华东建筑设计研究院有限公司 Beam column node for base pit engineering of topdown construction method
CN103790379A (en) * 2014-01-17 2014-05-14 上海建工二建集团有限公司 Method for constructing connection joint between flat slab and post cap in reverse construction method
CN105822062A (en) * 2015-01-04 2016-08-03 中天建设集团有限公司 Single dip angle column cap lamination squared timber combination triangle ribbed slab support formwork method
CN105839850A (en) * 2016-03-25 2016-08-10 温州建设集团有限公司 Basement reverse-construction scape post-casting pre-stressed construction method
CN106245680A (en) * 2016-08-26 2016-12-21 中天建设集团有限公司 Construction method is watered after contrary sequence method shaft precompressed
CN112709324A (en) * 2020-12-30 2021-04-27 上海建工四建集团有限公司 Beam column connecting system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101492918B (en) * 2008-01-24 2012-02-01 华东建筑设计研究院有限公司 Beam column node for base pit engineering of topdown construction method
CN103790379A (en) * 2014-01-17 2014-05-14 上海建工二建集团有限公司 Method for constructing connection joint between flat slab and post cap in reverse construction method
CN105822062A (en) * 2015-01-04 2016-08-03 中天建设集团有限公司 Single dip angle column cap lamination squared timber combination triangle ribbed slab support formwork method
CN105839850A (en) * 2016-03-25 2016-08-10 温州建设集团有限公司 Basement reverse-construction scape post-casting pre-stressed construction method
CN106245680A (en) * 2016-08-26 2016-12-21 中天建设集团有限公司 Construction method is watered after contrary sequence method shaft precompressed
CN112709324A (en) * 2020-12-30 2021-04-27 上海建工四建集团有限公司 Beam column connecting system

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Granted publication date: 20070509

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