CN105256894A - Construction method for precisely mounting embedded bolt sleeves of seismic isolation and reduction support - Google Patents

Construction method for precisely mounting embedded bolt sleeves of seismic isolation and reduction support Download PDF

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Publication number
CN105256894A
CN105256894A CN201510692123.0A CN201510692123A CN105256894A CN 105256894 A CN105256894 A CN 105256894A CN 201510692123 A CN201510692123 A CN 201510692123A CN 105256894 A CN105256894 A CN 105256894A
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CN
China
Prior art keywords
embedded steel
steel slab
vibration absorption
isolation support
support
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Pending
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CN201510692123.0A
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Chinese (zh)
Inventor
倪淑梅
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China MCC17 Group Co Ltd
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China MCC17 Group Co Ltd
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Application filed by China MCC17 Group Co Ltd filed Critical China MCC17 Group Co Ltd
Priority to CN201510692123.0A priority Critical patent/CN105256894A/en
Publication of CN105256894A publication Critical patent/CN105256894A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a construction method for precisely mounting embedded bolt sleeves of a seismic isolation and reduction support. The construction method includes: using the embedded steel plate of the seismic isolation and reduction support as a formwork to manufacture an embedded steel plate; forming grouting holes and mounting holes in the embedded steel plate; keeping the attached state of the embedded steel plate and the embedded steel plate of the seismic isolation and reduction support after the hole forming of the embedded steel plate, mounting short bolts into the mounting holes of the embedded steel plate of the seismic isolation and reduction support and the embedded steel plate, and mounting the sleeves at the positions of the short bolts through fixing reinforcing steel bars; taking the short bolts after the sleeves are in position. The construction method has the advantages that the elevation and horizontal positioning of the embedded steel plate can be adjusted, convenient concrete pouring is achieved, and construction efficiency is increased; the precise positioning problems of the embedded steel plate are solved, the bolt sleeves can be mounted precisely, and accordingly the seismic isolation and reduction support can be mounted precisely.

Description

The construction method that a kind of vibration absorption and isolation support built-in bolt sleeve is accurately installed
Technical field
The present invention relates to a kind of building vibration absorption and isolation support construction method, in particular, relate to the construction method that a kind of vibration absorption and isolation support built-in bolt sleeve is accurately installed.
Background technology
In today of builing industry high speed development, earthquake is one of natural calamity of the serious harm mankind, causes very heavy life and property loss to the mankind.Engineers and technicians carry out rationally effective seismic design to engineering structures for this reason, and it is the easiest, economical, advanced for wherein subtracting seismic isolation technology.Seismic isolation technology utilizes vibration-isolating system, manages to stop seismic energy to enter the agent structure of having installed earthquake isolating equipment; Cushion technique is then utilize special cushioning members or device, and the rate when macroseism that makes it is introduced into plastic zone, produces large damping, thus a large amount of consumption enters the energy of agent structure.By selecting suitable seismic isolation device and installation site, can the effectively size of control structure internal force and distribution thereof.
At present, domestic and international project antidetonation personnel have developed polytype seismic isolation device, as neoprene bearing, lead core rubber support, sliding friction type vibration absorption and isolation support, elastoplasticity damping power consumption steel damper, MR damper, oil damper and steel lead combination energy-dissipating device etc.Be connected by Bolt between vibration absorption and isolation support with concrete buttress, same buttress arranges multiple vibration absorption and isolation support, this brings larger impact to concrete building, for ensureing the density of rest base concreting, general design adopts pre-embedded bolt, concreting again, then damping device is installed.For preventing bearing itself in vibration processes from producing larger skew, pre-embedded bolt diameter and vibration absorption and isolation support are reserved aperture and are only differed 05-1mm.Therefore the relative position of each bolt embedment must accurately, and also must not offset in casting process, otherwise vibration absorption and isolation support cannot be installed.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, and provide a kind of guarantee vibration absorption and isolation support accurately to install fast, improve efficiency of construction, the construction method that a kind of vibration absorption and isolation support built-in bolt sleeve reducing construction cost is accurately installed.
The construction method that a kind of vibration absorption and isolation support built-in bolt sleeve of the present invention is accurately installed, comprises following construction sequence:
Step one, with vibration absorption and isolation support pre-embedded steel slab for template construct pre-embedded steel slab; Pre-embedded steel slab offers grout hole and installing hole;
After step 2, pre-embedded steel slab perforate, keep, with the fit-state of vibration absorption and isolation support pre-embedded steel slab, lag bolt being arranged in the installing hole of vibration absorption and isolation support pre-embedded steel slab and pre-embedded steel slab, in the position of lag bolt by fixing reinforcement installation sleeve; After sleeve in place, then get lag bolt;
The adjustable support of step 3, installation vibration absorption and isolation support pre-embedded steel slab; On the sleeve arm of sleeve, fixed installation regulates support, is provided with fine-tuning nut below described adjustment support, and described fine-tuning nut is arranged on and regulates reinforcing bar upper end, and described adjustment reinforcing bar lower end is connected with regulating sleeve, and described regulating sleeve is connected with buttress template;
The pre-embedded steel slab of step 4, vibration absorption and isolation support forms independently support system, after the buttress of vibration absorption and isolation support completes, is supported, fixed vibration absorption and isolation support position outside vertical formwork by symmetrical steel pipe and split bolt between two buttresses;
After step 5, cage of reinforcement fixedly complete, check location and the absolute altitude of pre-embedded steel slab; As found there is deviation in pre-embedded steel slab location, support system installs horizontal reinforcement, described horizontal reinforcement end props up regulating sleeve inside vertical formwork, regulated the position location of pre-embedded steel slab by the level of the fine setting support system of regulating sleeve, after location is errorless, the bearing bar of pre-embedded steel slab and buttress cage of reinforcement are welded and fixed;
The buttress of step 6, vibration absorption and isolation support, before building, adopts adhesive tape winding to cover exposed screw rod and protects; Concrete adopts placement layer by layer, and every layer concrete is laid should not be greater than 30cm, when concrete casting is to the plate face of pre-embedded steel slab, by grout hole vibrated concrete; Concrete strength removes foundation forms after reaching requirement;
After the buttress concrete strength of step 7, vibration absorption and isolation support meets execution conditions, taken out by lag bolt, screw is cleaned out; Vibration absorption and isolation support lifting is put in place, adopts fiber tightrope during lifting, prevent vibration absorption and isolation support impaired; Vibration absorption and isolation support is in place and after aiming at, erection bolt symmetry is tightened, and rundown process is twisted at the beginning of dividing, twists again, twisted for 3 each stages eventually, and completes on the same day.
It is identical that installing hole and the installing hole of vibration absorption and isolation support pre-embedded steel slab of described pre-embedded steel slab offer position; The installing hole diameter 2-10mm larger than the installing hole of vibration absorption and isolation support pre-embedded steel slab of pre-embedded steel slab.
The invention has the beneficial effects as follows: (1) pre-embedded steel slab absolute altitude, horizontal location are adjustable, concreting is convenient, improves efficiency of construction; (2) solve the pinpoint problem of pre-embedded steel slab, ensure that bolt sleeve is accurately installed, thus ensure that vibration absorption and isolation support is accurately installed fast.
Accompanying drawing explanation
Fig. 1 is the structural representation of pre-embedded steel slab of the present invention;
Fig. 2 is the structural representation of adjustment support of the present invention;
Fig. 3 is scheme of installation of the present invention;
Fig. 4 is the structural representation of regulating sleeve of the present invention.
In figure: lag bolt 1, sleeve 2, stay bolt 3, pre-embedded steel slab 4, vibration absorption and isolation support pre-embedded steel slab 5, fixing reinforcing bar 6, fine-tuning nut 7, adjustment support 8, symmetrical steel pipe 9, regulating sleeve 10, adjustment reinforcing bar 11, buttress template 12, split bolt 13, vibration absorption and isolation support 14, grout hole 15, cage of reinforcement 16.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
In the drawings, the construction method that a kind of vibration absorption and isolation support built-in bolt sleeve of the present invention is accurately installed, comprises following construction sequence:
Step one, be template construct pre-embedded steel slab 4 with vibration absorption and isolation support pre-embedded steel slab 5; Pre-embedded steel slab 4 offers grout hole 15 and installing hole;
After step 2, pre-embedded steel slab 4 perforate, keep the fit-state with vibration absorption and isolation support pre-embedded steel slab 5, lag bolt 1 is arranged in the installing hole of vibration absorption and isolation support pre-embedded steel slab 5 and pre-embedded steel slab 4, in the position of lag bolt 1 by fixing reinforcing bar 6 installing sleeve 2; After in place for sleeve 2, then get lag bolt 1;
The adjustable support of step 3, installation vibration absorption and isolation support pre-embedded steel slab 5; On the sleeve arm of sleeve 2, fixed installation regulates support 8, below described adjustment support 8, fine-tuning nut 7 is installed, described fine-tuning nut 7 is arranged on and regulates reinforcing bar 11 upper end, and described adjustment reinforcing bar 11 lower end is connected with regulating sleeve 10, and described regulating sleeve 10 is connected with buttress template 12;
The pre-embedded steel slab 4 of step 4, vibration absorption and isolation support 14 forms independently support system, after the buttress of vibration absorption and isolation support 14 completes, is supported, fixed vibration absorption and isolation support 14 position outside vertical formwork by steel pipe 9 symmetrical between two buttresses and split bolt 13;
After step 5, cage of reinforcement 16 fixedly complete, check location and the absolute altitude of pre-embedded steel slab 4; As found there is deviation in pre-embedded steel slab 4 location, support system installs horizontal reinforcement, described horizontal reinforcement end props up regulating sleeve 10 inside vertical formwork, regulated the position location of pre-embedded steel slab by the level of the fine setting support system of regulating sleeve 10, after location is errorless, the bearing bar of pre-embedded steel slab 4 and buttress cage of reinforcement 16 are welded and fixed;
The buttress of step 6, vibration absorption and isolation support 14, before building, adopts adhesive tape winding to cover exposed screw rod and protects; Concrete adopts placement layer by layer, and every layer concrete is laid should not be greater than 30cm, when concrete casting is to the plate face of pre-embedded steel slab 4, by grout hole vibrated concrete; Concrete strength removes foundation forms after reaching requirement;
After the buttress concrete strength of step 7, vibration absorption and isolation support 14 meets execution conditions, taken out by lag bolt 1, screw is cleaned out; Vibration absorption and isolation support 14 lifting is put in place, adopts fiber tightrope during lifting, prevent vibration absorption and isolation support 14 impaired; Vibration absorption and isolation support 14 is in place and after aiming at, erection bolt symmetry is tightened, and rundown process is twisted at the beginning of dividing, twists again, twisted for 3 each stages eventually, and completes on the same day.
It is identical that installing hole and the installing hole of vibration absorption and isolation support pre-embedded steel slab 5 of described pre-embedded steel slab 4 offer position; The installing hole diameter 2-10mm larger than the installing hole of vibration absorption and isolation support pre-embedded steel slab 5 of pre-embedded steel slab 4.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize manual of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (2)

1. a vibration absorption and isolation support built-in bolt sleeve construction method of accurately installing, is characterized in that, comprise following construction sequence:
Step one, with vibration absorption and isolation support pre-embedded steel slab (5) for template construct pre-embedded steel slab (4); Pre-embedded steel slab (4) offers grout hole (15) and installing hole;
After step 2, pre-embedded steel slab (4) perforate, keep the fit-state with vibration absorption and isolation support pre-embedded steel slab (5), lag bolt (1) is arranged in the installing hole of vibration absorption and isolation support pre-embedded steel slab (5) and pre-embedded steel slab (4), in the position of lag bolt (1) by fixing reinforcing bar (6) installing sleeve (2); After in place for sleeve (2), then get lag bolt (1);
The adjustable support of step 3, installation vibration absorption and isolation support pre-embedded steel slab (5); On the sleeve arm of sleeve (2), fixed installation regulates support (8), below described adjustment support (8), fine-tuning nut (7) is installed, described fine-tuning nut (7) is arranged on and regulates reinforcing bar (11) upper end, described adjustment reinforcing bar (11) lower end is connected with regulating sleeve (10), and described regulating sleeve (10) is connected with buttress template (12);
The pre-embedded steel slab (4) of step 4, vibration absorption and isolation support (14) forms independently support system, after the buttress of vibration absorption and isolation support (14) completes, supported by symmetrical steel pipe (9) between two buttresses and split bolt (13) outside vertical formwork, vibration absorption and isolation support (14) position is fixed;
After step 5, cage of reinforcement (16) fixedly complete, check location and the absolute altitude of pre-embedded steel slab (4); As found there is deviation in pre-embedded steel slab (4) location, support system installs horizontal reinforcement, described horizontal reinforcement end props up regulating sleeve inside vertical formwork (10), regulated the position location of pre-embedded steel slab by the level of the fine setting support system of regulating sleeve (10), after location is errorless, the bearing bar of pre-embedded steel slab (4) and buttress cage of reinforcement (16) are welded and fixed;
The buttress of step 6, vibration absorption and isolation support (14), before building, adopts adhesive tape winding to cover exposed screw rod and protects; Concrete adopts placement layer by layer, and every layer concrete is laid should not be greater than 30cm, when concrete casting is to the plate face of pre-embedded steel slab (4), by grout hole vibrated concrete; Concrete strength removes foundation forms after reaching requirement;
After the buttress concrete strength of step 7, vibration absorption and isolation support (14) meets execution conditions, taken out by lag bolt (1), screw is cleaned out; Vibration absorption and isolation support (14) lifting is put in place, adopts fiber tightrope during lifting, prevent vibration absorption and isolation support (14) impaired; Vibration absorption and isolation support (14) is in place and after aiming at, erection bolt symmetry is tightened, and rundown process is twisted at the beginning of dividing, twists again, twisted for 3 each stages eventually, and completes on the same day.
2. a kind of vibration absorption and isolation support built-in bolt sleeve according to claim 1 construction method of accurately installing, is characterized in that, it is identical that installing hole and the installing hole of vibration absorption and isolation support pre-embedded steel slab (5) of described pre-embedded steel slab (4) offer position; The installing hole diameter 2-10mm larger than the installing hole of vibration absorption and isolation support pre-embedded steel slab (5) of pre-embedded steel slab (4).
CN201510692123.0A 2015-10-23 2015-10-23 Construction method for precisely mounting embedded bolt sleeves of seismic isolation and reduction support Pending CN105256894A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593058A (en) * 2016-12-19 2017-04-26 中国建筑第八工程局有限公司 Locating device for rubber shock insulation support and manufacturing and installing method for locating device
CN107806193A (en) * 2017-09-27 2018-03-16 中国建筑股份有限公司海拓工程分公司 Inverted pendulum clock-type double glide face shock isolating pedestal construction method
CN111764519A (en) * 2020-07-15 2020-10-13 曹小爱 Building embedded part with shock absorption and sound absorption functions

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CN103334496A (en) * 2013-07-19 2013-10-02 中建八局第一建设有限公司 Leveling bolt of embedded steel plate under isolation bearing and using method
CN104032969A (en) * 2014-06-27 2014-09-10 中建三局集团有限公司 Precise positioning and process regulation and control device for vibration isolation support embedded plate
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CN204325924U (en) * 2014-11-05 2015-05-13 中国建筑第五工程局有限公司 A kind of shock isolating pedestal embedded board is fixed and adjusting device
CN104895101A (en) * 2015-06-10 2015-09-09 杭州江润科技有限公司 Construction method for raft plate basic high-precision overall pre-embedded large-diameter bolt group structure

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CN104120802A (en) * 2014-07-14 2014-10-29 昆明理工大学 Simple method for mounting and locating seismic isolation support
CN204325924U (en) * 2014-11-05 2015-05-13 中国建筑第五工程局有限公司 A kind of shock isolating pedestal embedded board is fixed and adjusting device
CN104895101A (en) * 2015-06-10 2015-09-09 杭州江润科技有限公司 Construction method for raft plate basic high-precision overall pre-embedded large-diameter bolt group structure

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593058A (en) * 2016-12-19 2017-04-26 中国建筑第八工程局有限公司 Locating device for rubber shock insulation support and manufacturing and installing method for locating device
CN106593058B (en) * 2016-12-19 2019-11-19 中国建筑第八工程局有限公司 The positioning device of rubber earthquake isolation support and its production and installation method
CN107806193A (en) * 2017-09-27 2018-03-16 中国建筑股份有限公司海拓工程分公司 Inverted pendulum clock-type double glide face shock isolating pedestal construction method
CN111764519A (en) * 2020-07-15 2020-10-13 曹小爱 Building embedded part with shock absorption and sound absorption functions

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Application publication date: 20160120