CN101440665B - Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab - Google Patents

Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab Download PDF

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Publication number
CN101440665B
CN101440665B CN2007101503347A CN200710150334A CN101440665B CN 101440665 B CN101440665 B CN 101440665B CN 2007101503347 A CN2007101503347 A CN 2007101503347A CN 200710150334 A CN200710150334 A CN 200710150334A CN 101440665 B CN101440665 B CN 101440665B
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CN
China
Prior art keywords
grandstand
adjusting
concrete grandstand
board member
precast
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Expired - Fee Related
Application number
CN2007101503347A
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Chinese (zh)
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CN101440665A (en
Inventor
邢克宣
李立勇
李连起
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TIANJIN JIANGONG CONSTRUCTION CO Ltd
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TIANJIN JIANGONG CONSTRUCTION CO Ltd
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Application filed by TIANJIN JIANGONG CONSTRUCTION CO Ltd filed Critical TIANJIN JIANGONG CONSTRUCTION CO Ltd
Priority to CN2007101503347A priority Critical patent/CN101440665B/en
Publication of CN101440665A publication Critical patent/CN101440665A/en
Application granted granted Critical
Publication of CN101440665B publication Critical patent/CN101440665B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention discloses a method for adjusting and finely installing bolts for a precast plain concrete stand plate, which comprises the following steps: (1) drilling holes on the beam base of the concrete stand, fixing adjusting bolts in the holes, and flexibly connecting adjusting nuts with the adjusting bolts; (2) during the fabrication of precast plain concrete stand plate components, arranging cushion iron inserts on the bottom surfaces of rear beams of the precast plain concrete stand plate components; and (3) arranging the precast plain concrete stand plate components on the beam base of the concrete stand according to the control lines and fixedly connecting through anchoring bolts and anchoring holes, flexibly connecting the upper surfaces of the adjusting nuts with the cushion iron inserts, adjusting the adjusting nuts to make the top surface elevation precision of the rear beams of the precast plain concrete stand plate components reach the requirement. The method is simple, practical, convenient, quick and easy, and the precision can be controlled within 2 millimeters.

Description

Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab
Technical field
The present invention relates to a kind of bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab.
Background technology
The large-scale stadium Spectator Seating uses precast concrete grandstand board member to be installed on the grandstand structural beams usually.Following two kinds of methods are often adopted in see platen plate face absolute altitude and the smooth adjusting control work of plate face during installation.
First method is: with dry cement mortar place mat at grandstand structural beams bearing place, then precast concrete grandstand board member is placed on the cement mortar bedding cushion platen plate face absolute altitude of use percussion vibration method adjusting precast concrete grandstand board member and smooth.The deficiency that this method exists is: the bedding thickness of cement mortar is difficult to accurate control.When seeing platen plate face absolute altitude and smooth can not reach requirement the time, precast concrete grandstand board member can only be sling again, adjust cement mortar bedding cushion thickness after, install once more.Often cause and do over again, influence work efficiency, and see that platen plate face absolute altitude and planeness are difficult to control.
Second method is: grandstand structural beams bearing is used cement mortar screeding, when precast concrete grandstand board member is installed, grandstand structural beams bearing and precast concrete grandstand board member see at the bottom of the platen between place correcting wedge, utilize its varied in thickness to regulate the absolute altitude of precast concrete grandstand board member and smooth.The deficiency that this method exists is: the adjustment of correcting wedge thickness need be used artificial manual operation.During adjustment, use sled to shoulder and lift sled precast concrete grandstand board member, be difficult for reaching the requirement of accurate adjustment, installation accuracy is difficult to control.To lift sled precast concrete grandstand board member again owing to being in course of adjustment repeatedly and adjust wheel chock thickness, so inefficiency can cause the damaged outward appearance that influences of precast concrete grandstand board member again.
Its surfacing precision of precast stand slab of using above-mentioned installation control method to install can only be controlled at 4~5mm scope that is not more than, if improve requirement again, it is then very difficult to reduce flatness error numerical value.Especially in recent years, the prefabricated units of clear-water concrete effect occur, and the clear-water concrete precast stand slab is also adopted morely.Because the component surface after it is installed is no longer carried out other surface layer facing, so its plate face surface impression, smooth effect are very important.Plate surface evenness after the clear-water concrete precast stand slab of the grandstand of some important games venue is installed requires higher, and the error requirements that has reaches the meticulous standard that is not more than 2mm, adopts existing installation adjusting method, is difficult to reach this required precision.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, provide a kind of and can regulate clear-water concrete precast stand slab plate surface evenness, the bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab of increasing work efficiency by trace.
Technical scheme of the present invention is summarized as follows:
A kind of bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab comprises the steps:
(1) on concrete grandstand beam support, punches, in described hole, fixedly install the adjusting bolt, adjusting nut and described adjusting bolt are flexibly connected;
(2) when prefabricated fair-faced concrete grandstand board member is made, top parallels embedded part is arranged on the position corresponding with described adjusting bolt, the back of the body soffit of described prefabricated fair-faced concrete grandstand board member;
(3) described prefabricated fair-faced concrete grandstand board member is installed on the described concrete grandstand beam support according to control line, fixedly connected with the anchor hole on being arranged on concrete grandstand beam support by the anchor bolt that is arranged on the described prefabricated fair-faced concrete grandstand board member, and described adjusting nut upper surface and described top parallels embedded part are flexibly connected, regulate described adjusting nut, make the back of the body top surface of the beam absolute altitude precision of described prefabricated fair-faced concrete grandstand board member reach requirement.
Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab of the present invention by regulating adjusting nut, makes the installation of prefabricated fair-faced concrete grandstand board member reach meticulous installation, and method of the present invention is simple and practical, convenient and swift, easy to operate.The movement locus that its nut rotation is risen, descended is smoothly linear, and upper and lower the adjustment freely of precast stand slab plate face absolute altitude changed, and its precision can be controlled in the 2mm reliably.The method shows the characteristics of operational standardization.
Description of drawings
Fig. 1 sees platen and concrete grandstand beam support scheme of installation for prefabricated fair-faced concrete.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
A kind of bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab comprises the steps:
(1) punching on concrete grandstand beam support 9 fixedly installs in described hole and regulates bolt 5, and adjusting nut 6 and described adjusting bolt are flexibly connected;
(2) when prefabricated fair-faced concrete grandstand board member 4 is made, a top parallels embedded part 1 is arranged on the position corresponding with described adjusting bolt, the back of the body soffit 3 of described prefabricated fair-faced concrete grandstand board member;
(3) described prefabricated fair-faced concrete grandstand board member is installed on the described concrete grandstand beam support according to control line, fixedly connected with the anchor hole 8 on being arranged on concrete grandstand beam support by the anchor bolt 7 that is arranged on the described prefabricated fair-faced concrete grandstand board member, and described adjusting nut upper surface and described top parallels embedded part are flexibly connected, use spanner to regulate described adjusting nut, use level gauge to measure then, make the back of the body top surface of the beam 2 absolute altitude precision of described prefabricated fair-faced concrete grandstand board member reach requirement.
Regulate the design of bolt: diameter calculates according to conditions such as seeing platen weight to be determined.Can adopt various material, preferably adopt low-carbon steel material, process according to coarse plain thread.
Regulate bolt and adjusting nut machining accuracy and should meet (GB3103.3-82) securing member B grade standard.
Preferably carry out the Zincing passivation processing after regulating the processing of bolt and adjusting nut.
Regulate the fixing of bolt:
According to prefabricated fair-faced concrete grandstand board member back of the body beam center line and grandstand beam support axial location the adjusting bolt is set.Punch on concrete bearing, it is fixing to regulate the bolt implantation, and its screw rod end face absolute altitude error is answered<2mm.

Claims (1)

1. a bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab is characterized in that comprising the steps:
(1) on concrete grandstand beam support, punches, in described hole, fixedly install the adjusting bolt, adjusting nut and described adjusting bolt are flexibly connected;
(2) when prefabricated fair-faced concrete grandstand board member is made, top parallels embedded part is arranged on the position corresponding with described adjusting bolt, the back of the body soffit of described prefabricated fair-faced concrete grandstand board member;
(3) described prefabricated fair-faced concrete grandstand board member is installed on the described concrete grandstand beam support according to control line, fixedly connected with the anchor hole on being arranged on concrete grandstand beam support by the anchor bolt that is arranged on the described prefabricated fair-faced concrete grandstand board member, and described adjusting nut upper surface and described top parallels embedded part are flexibly connected, regulate described adjusting nut, make the back of the body top surface of the beam absolute altitude precision of described prefabricated fair-faced concrete grandstand board member reach requirement.
CN2007101503347A 2007-11-22 2007-11-22 Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab Expired - Fee Related CN101440665B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007101503347A CN101440665B (en) 2007-11-22 2007-11-22 Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2007101503347A CN101440665B (en) 2007-11-22 2007-11-22 Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab

Publications (2)

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CN101440665A CN101440665A (en) 2009-05-27
CN101440665B true CN101440665B (en) 2011-10-19

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CN2007101503347A Expired - Fee Related CN101440665B (en) 2007-11-22 2007-11-22 Bolt adjusting precise mounting method for prefabricated fair-faced concrete grandstand slab

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109732773B (en) * 2019-01-18 2020-07-10 孟凡林 Mounting node and mounting method of support hinged concrete prefabricated part
CN111877814A (en) * 2020-07-21 2020-11-03 上海建工二建集团有限公司 Construction method for prefabricating bare concrete stand plate

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE424210B (en) * 1978-01-16 1982-07-05 Laektaren Nilsson Hb Och Segri Portable and disassemblable stands
CN1760490A (en) * 2004-10-11 2006-04-19 上海市第二建筑有限公司 Method for constructing stand-board built from fair-faced concrete

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE424210B (en) * 1978-01-16 1982-07-05 Laektaren Nilsson Hb Och Segri Portable and disassemblable stands
CN1760490A (en) * 2004-10-11 2006-04-19 上海市第二建筑有限公司 Method for constructing stand-board built from fair-faced concrete

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Granted publication date: 20111019

Termination date: 20161122