CN104234385B - Construction method of installation after a kind of terrace heavy steel plate built-in fitting - Google Patents

Construction method of installation after a kind of terrace heavy steel plate built-in fitting Download PDF

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Publication number
CN104234385B
CN104234385B CN201410417780.XA CN201410417780A CN104234385B CN 104234385 B CN104234385 B CN 104234385B CN 201410417780 A CN201410417780 A CN 201410417780A CN 104234385 B CN104234385 B CN 104234385B
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China
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construction
installation
steel slab
steel plate
fitting
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CN201410417780.XA
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Chinese (zh)
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CN104234385A (en
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江国栋
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中国十七冶集团有限公司
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Abstract

The invention discloses construction method of installation after a kind of terrace heavy steel plate built-in fitting, comprise the steps: 1) reinforcement fabrication installation, weld independent fixed support;2) built-in fitting steel plate is made;3) terrace concrete is poured;4) built-in fitting steel plate is installed;5) in slip casting funnel, High Strength Non-shrinking Filling Material is filled.The invention have the advantage that concreting is convenient, vibration compacting, improves efficiency of construction;Pre-embedded steel slab finds deviation after installing, can be flat with adjusting bolt essence in time, it is ensured that construction flatness;Irrigate high-strength grout by injected hole, utilize grouting material gravity flow, shrink gap from close performance compensation concrete water bleeding, embedded part large area hollowing can be avoided to occur.Pre-embedded steel slab is not required to offer, ash vibrates hole under repair welding, it is to avoid Plate Welding temperature distortion, and pre-embedded steel slab integral installation improves bearing capacity, it is ensured that quality, cost-effective.

Description

Construction method of installation after a kind of terrace heavy steel plate built-in fitting

Technical field

The present invention relates to a kind of construction techniques, in particular, relate to construction method of installation after a kind of terrace heavy steel plate built-in fitting.

Background technology

The construction method that in building engineering construction, pre-embedded steel slab is conventional is first welding embedded element fixed mount, relocates the fixing embedded part of installation, last casting concrete molding.Industrial Plant Ground large area pre-embedded steel slab embedded part adopts this method construction, it may appear that in concreting process, blanking has some setbacks, and reduces efficiency of construction;Vibrating in construction insufficient, concrete water bleeding shrinks all can cause pre-embedded steel slab large area hollowing;Lower ash hole offer, repair welding time pre-embedded steel slab can be caused to deform, readjust and need to waste time and energy;Embedded part steel plate off normal can be caused in casting process to adjust difficulty, and revising or doing over again needs to expend a large amount of manpower and materials, and quality is difficult to ensure.

Summary of the invention

The present invention is directed to the deficiencies in the prior art, and provide concreting convenience, vibration compacting, raising efficiency of construction, avoid embedded part large area hollowing to occur a kind of terrace heavy steel plate built-in fitting after construction method of installation.

Construction method of installation after a kind of terrace heavy steel plate built-in fitting of the present invention, comprises the steps:

A, according to drawing requirement installing bottom layer reinforced mesh, use angle steel vertically to anchor into below terrace, anchor into the degree of depth not less than 500mm, be welded and fixed support;

B, according to the specification of pre-embedded steel slab and steel plate raw material measure, four corners of pre-embedded steel slab offer hole, location, and the centrage both sides of pre-embedded steel slab length direction respectively offer that an injected hole, described pre-embedded steel slab and anchoring claw are fixing to be connected;

C, according to pre-embedded steel slab position of center line measurement and positioning, the essence whole bolt of Heibei provincial opera and adjusting nut are installed in the position corresponding with hole, location at independent fixed support, adjusting pre-embedded steel slab essence to put down, after passed examination, casting concrete is to higher than adjusting nut upper end 2-4mm vibration compacting;

Complete the installation of pre-embedded steel slab before D, concrete initial set, and adjust absolute altitude, flatness, after passed examination, whole for essence Heibei provincial opera bolt is fixed with location hole spot welding, then pre-embedded steel slab periphery concrete floor filling-in and be compacted receive light and maintenance;

E, slip casting funnel fill grouting material is installed at injected hole, fills compensating concrete bleeding by the grouting material that flows automatically with grouting material, utilizes from close performance and shrink gap, it is to avoid embedded part large area hollowing occurs;

Described fixed support is independent rack.4 hoisting rings are installed on described pre-embedded steel slab.Perfusion for the shrinkage-free grouting material of high intensity in described injected hole.Described pre-embedded steel slab blanking uses mechanical shearing or plasma cutting, it is to avoid hot-working produces steel plate deformed.The centrage of said two injected hole distance pre-embedded steel slab length direction is all 500mm.A diameter of 30 mm of described injected hole 4.Described location bore dia is 20mm.

The invention has the beneficial effects as follows: (1) concreting is convenient, vibration compacting can improve efficiency of construction;(2) deviation is found after pre-embedded steel slab is installed, can be flat with adjusting bolt essence in time, it is ensured that construction flatness;(3) irrigating high strength grout by injected hole, by flowing automatically with grouting material, utilizing, grouting material shrinks gap from close performance compensation concrete water bleeding, and embedded part large area hollowing can be avoided to occur;(4) pre-embedded steel slab is not required to offer, ash vibrates hole under repair welding, it is to avoid Plate Welding temperature distortion;(5) pre-embedded steel slab integral installation improves bearing capacity, it is ensured that quality, cost-effective.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention;

In figure: pre-embedded steel slab 1, anchoring claw 2, hole 3, location, injected hole 4, slip casting funnel 5, hoisting ring 6, the essence whole bolt of Heibei provincial opera 7, fixed support 8.

Detailed description of the invention

The invention will be further described below in conjunction with the accompanying drawings.

Construction method of installation after a kind of terrace heavy steel plate built-in fitting of the present invention, comprises the steps:

A, according to drawing requirement installing bottom layer reinforced mesh, use angle steel vertically to anchor into below terrace, anchor into the degree of depth not less than 500mm, be welded and fixed support 8, fixed support 8 is independent rack;

B, according to the specification of pre-embedded steel slab 1 and steel plate raw material measure, pre-embedded steel slab 1 blanking uses mechanical shearing or plasma cutting, hot-working is avoided to produce steel plate deformed, four corners of pre-embedded steel slab 1 offer the hole, location 3 of a diameter of 20mm, the injected hole 4 of a diameter 30mm is respectively offered on the centrage both sides of pre-embedded steel slab 1 length direction, injected hole 4 is 500mm apart from the centrage of pre-embedded steel slab 1 length direction, described pre-embedded steel slab 1 and the fixing connection of anchoring claw 2, install 4 hoisting rings 6 after pre-embedded steel slab 1 completes;

C, according to pre-embedded steel slab 1 position of center line measurement and positioning, the essence whole bolt of Heibei provincial opera 7 and adjusting nut are installed in the position corresponding with hole 3, location at independent fixed support 8, adjusting pre-embedded steel slab 1 essence flat, after passed examination, casting concrete 9 is to higher than adjusting nut upper end about 3mm vibration compacting;

Complete the installation of pre-embedded steel slab 1 before D, concrete 9 initial set, and adjust absolute altitude, flatness, after passed examination, whole for essence Heibei provincial opera bolt 7 is fixed with location hole 3 spot welding, then pre-embedded steel slab 1 periphery concrete 9 terrace filling-in and be compacted receive light and maintenance;

E, slip casting funnel 5 fill the shrinkage-free grouting material of high intensity is installed at injected hole 4, fills compensating concrete bleeding by the grouting material that flows automatically with grouting material, utilizes from close performance and shrink gap, it is to avoid embedded part large area hollowing occurs.

Described step A is fixed independent rack and is used angle steel welding, and frame bottom anchors into formation independent system in the following soil layer of terrace, the cradle top welding scalable whole bolt of essence Heibei provincial opera 7, and puts down whole for essence Heibei provincial opera bolt 7 essence to pre-embedded steel slab 1 bottom position.

Described step B pre-embedded steel slab can carry out blanking according to embedded part size or convenient size of installing, and stagger reinforced mesh position welding embedded element anchoring claw 2, offers hole 3, location and injected hole 4.

Described step C, D pour terrace concrete, complete pre-embedded steel slab and install after abundant vibration compacting before concrete initial set, and carry out checking to the flatness of pre-embedded steel slab 1, horizontal level and adjust, qualified after adjustments bolt is fixed with positioning hole spot welding.

Described step E installs slip casting funnel 5 on pre-embedded steel slab 1 injected hole 4, and fills high intensity contraction-free grouting concrete.

Claims (8)

1. construction method of installation after a terrace heavy steel plate built-in fitting, it is characterised in that include following construction procedure:
A, according to drawing requirement installing bottom layer reinforced mesh, use angle steel vertically to anchor into below terrace, anchor into the degree of depth not less than 500mm, be welded and fixed support (8);
B, according to the specification of pre-embedded steel slab (1) and steel plate raw material measure, four corners of pre-embedded steel slab (1) offer hole, location (3), the fixing connection of an injected hole (4), described pre-embedded steel slab (1) and anchoring claw (2) is respectively offered on the centrage both sides of pre-embedded steel slab (1) length direction;
C, according to pre-embedded steel slab (1) position of center line measurement and positioning, the essence whole bolt of Heibei provincial opera (7) and adjusting nut are installed in the position corresponding with hole, location (3) at independent fixed support (8), adjust pre-embedded steel slab (1) essence flat, after passed examination, casting concrete (9) is to higher than adjusting nut upper end 2-4mm vibration compacting;
The installation of pre-embedded steel slab (1) is completed before D, concrete (9) initial set, and adjust absolute altitude, flatness, after passed examination, whole for essence Heibei provincial opera bolt (7) is fixed with location hole (3) spot welding, then pre-embedded steel slab (1) periphery concrete (9) terrace filling-in and be compacted receive light and maintenance;
E, slip casting funnel (5) fill grouting material is installed at injected hole (4) place, fills compensating concrete bleeding by the grouting material that flows automatically with grouting material, utilizes from close performance and shrink gap, it is to avoid embedded part large area hollowing occurs.
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that described fixed support (8) is independent rack.
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that described pre-embedded steel slab (1) is upper installs 4 hoisting rings (6).
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that perfusion for the shrinkage-free grouting material of high intensity in described injected hole (4).
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that described pre-embedded steel slab (1) blanking uses mechanical shearing or plasma cutting, it is to avoid hot-working produces steel plate deformed.
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that the centrage of said two injected hole (4) distance pre-embedded steel slab (1) length direction is all 500mm.
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that described injected hole (4) a diameter of 30mm.
Construction method of installation after a kind of terrace heavy steel plate built-in fitting the most according to claim 1, it is characterised in that hole, described location (3) a diameter of 20mm.
CN201410417780.XA 2014-08-25 2014-08-25 Construction method of installation after a kind of terrace heavy steel plate built-in fitting CN104234385B (en)

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CN104234385B true CN104234385B (en) 2016-08-10

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CN104831731B (en) * 2015-04-15 2017-04-05 广东省建筑工程集团有限公司 A kind of substrate bottom concrete casting method
CN105040982B (en) * 2015-07-05 2017-04-12 宜昌三峡送变电工程有限责任公司 Reserve embedded postposition construction method of switch gear room of transformer substation
CN105040826B (en) * 2015-08-05 2018-03-13 中国电建集团贵阳勘测设计研究院有限公司 A kind of standardization fastener inserts and its construction method for structural concrete construction
CN105908944A (en) * 2016-04-20 2016-08-31 湖北永益金属地板有限公司 Construction method of metal floor product
CN105926899A (en) * 2016-05-13 2016-09-07 陕西柴油机重工有限公司 Preparation technique for steel plate terrace of industrial workshop
CN108005349A (en) * 2017-11-30 2018-05-08 中建六局第三建筑工程有限公司 Leveling method for super large ultra-flat terrace built-in fitting
CN108193702B (en) * 2017-12-28 2020-07-10 中国核工业二四建设有限公司 Combined construction method of grouting material and concrete at bottom of embedded part
CN109441111A (en) * 2018-12-20 2019-03-08 北京首钢建设集团有限公司 A kind of superduty embedded part mounting and fixing support method of conticaster

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DE2625956A1 (en) * 1976-06-10 1977-12-15 Fraunhofer Ges Forschung Welding tubes into tube plastes by explosion plating - using steel plug to prevent bulging of the tube near the tube plate
CN101307605A (en) * 2008-06-06 2008-11-19 中冶天工上海十三冶建设有限公司 High precision apparatus foundation mounting method
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CN202194289U (en) * 2011-07-29 2012-04-18 沈阳远大铝业工程有限公司 Flat embedded part
CN102619235A (en) * 2012-04-17 2012-08-01 中国建筑第五工程局有限公司 Concrete foundation embedded bolt bracket and embedding method for concrete foundation embedded bolts
CN103790377A (en) * 2012-10-29 2014-05-14 五冶集团上海有限公司 Heavy embedded part ultrahigh mounting precision control method
CN103835308A (en) * 2012-11-23 2014-06-04 江西昌河航空工业有限公司 Method for installing embedded base plate of machine tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2625956A1 (en) * 1976-06-10 1977-12-15 Fraunhofer Ges Forschung Welding tubes into tube plastes by explosion plating - using steel plug to prevent bulging of the tube near the tube plate
CN101307605A (en) * 2008-06-06 2008-11-19 中冶天工上海十三冶建设有限公司 High precision apparatus foundation mounting method
CN201560432U (en) * 2009-11-17 2010-08-25 武汉一冶钢结构有限责任公司 Elevation and levelness adjusting device of pre-embedded steel sheet
CN202194289U (en) * 2011-07-29 2012-04-18 沈阳远大铝业工程有限公司 Flat embedded part
CN102619235A (en) * 2012-04-17 2012-08-01 中国建筑第五工程局有限公司 Concrete foundation embedded bolt bracket and embedding method for concrete foundation embedded bolts
CN103790377A (en) * 2012-10-29 2014-05-14 五冶集团上海有限公司 Heavy embedded part ultrahigh mounting precision control method
CN103835308A (en) * 2012-11-23 2014-06-04 江西昌河航空工业有限公司 Method for installing embedded base plate of machine tool

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