CN104358421A - Method for replacing rubber isolation bearing - Google Patents
Method for replacing rubber isolation bearing Download PDFInfo
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- CN104358421A CN104358421A CN201410635351.XA CN201410635351A CN104358421A CN 104358421 A CN104358421 A CN 104358421A CN 201410635351 A CN201410635351 A CN 201410635351A CN 104358421 A CN104358421 A CN 104358421A
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Abstract
The invention relates to a method for replacing a rubber isolation bearing. The method comprises the following steps of (1) enlarging a lower buttress; (2) measuring and positioning bolts of upper and lower flange plates of a rubber isolation bearing to be replaced; (3) manufacturing a new isolation bearing, and forming holes in corresponding positions of flange plates of the new isolation bearing according to the measured bolt positions; (4) welding the upper and lower flange plates of the bearing to be replaced; (5) taking out lower flange plate bolts of the isolation bearing to be replaced; (6) jacking an upper buttress of the isolation bearing to be replaced; (7) taking an embedded plate, knocking off a lower buttress movable layer and taking out a movable sleeve out; (8) dragging the isolation bearing to be replace out of the normal position; (9) prestressing the new isolation bearing, and welding the upper and lower flange plates; (10) carrying the new bearing to the installation position, and fixedly installing the new bearing; (11) pouring non-shrinkage automatic flow concrete into the lower buttress movable layer; (12) unloading the jacked upper buttress. According to the method, aims of safety, high efficiency, no damage to an upper structural layer and reduction of replacement cost can be fulfilled.
Description
Technical field
The present invention relates to architectural vibration-insulation technical field, be specifically related to a kind of replacing options of shock isolating pedestal.
Background technology
Based on the building aseismicity thought of former " rigidity antidetonation ", antidetonation is all rely on the drag increasing isolation structure, to resist huge earthquake damage substantially.But reasonable etc. the construction of such way and modern high-strength light, energy-conserving and environment-protective, engineering economy requires not to be inconsistent, and such way can not resist the very large rarely occurred earthquake of intensity.Present structure then adopts the thought of " flexible anti-shock " to alleviate the earthquake response of structure, can not only ensure the safety of structure like this, and can reduce construction costs, energy-conserving and environment-protective." flexible anti-shock " be not the thinking of employing " firmly anti-" simply to ensure the safety of structure, but resist earthquake by the thinking of isolated seismic energy.For seismic isolation technology, arrange earthquake isolating equipment at architecture basics, earthquake isolating equipment can absorb and antireflection part seismic energy before seismic wave passes to superstructure, thus reduced the earthquake response of superstructure.
Neoprene bearing is the critical component of Seismic Isolation of Isolation Layer, and its performance quality is directly connected to the effect of antidetonation and the safety of isolation structure.Neoprene bearing replaces stacked being combined into by multilayer rubber and multilayer steel plates, and its shape is oblate column type mostly.The steel sheet that in neoprene bearing, layering is arranged plays effect of contraction to rubber, makes neoprene bearing have very high vertical bearing capacity, can bear the loading of Seismic Isolation of Isolation Layer superstructure with during earthquake and not produce excessive distortion under normal operating condition.In addition, because steel-sheet set-up mode does not affect the horizontal flexibility of neoprene bearing substantially, make the horizontal rigidity of neoprene bearing very low, thus the natural vibration period of whole earthquake system is extended, reach the object of earthquake isolation.
But, if when needing to change shock isolating pedestal in work progress, (such as rubber temperature in sulfidation does not reach standard value, and cure time is not enough, rubber plays the quality problems such as drum to cause shock isolating pedestal to occur), or in use need to change and damage bearing, there will be problems:
1, due to restrictions such as grounds, lower buttress design is less, and in jacking during buttress, directly cannot install jack above lower buttress, ground is distant from upper buttress, is difficult to arrange layout.
2, due to the Action of Gravity Field of upper buttress and building, may there is certain compressive strain and horizontal movement in bearing to be replaced, thus the bolt hole of bearing to be replaced just there occurs skew.The bolt hole of new shock isolating pedestal cannot be corresponding with the bolt hole of buttress, cannot be in place.
3, bearing to be replaced compresses under the load of upper buttress, will rebound when on jack-up, buttress carries out bearing replacement, and in increase, the jacking amount of buttress, forms larger threat by building structure.
4, new bearing is not owing to bearing upper load, and height of support, significantly more than the bearing changed, if do not taken measures, needs buttress in further jacking to be convenient to the installation of new bearing.
Summary of the invention
The object of this invention is to provide a kind of replacing options of shock insulation rubber bearing, the method can reach safety, efficiently, not damage upper structural layer, reduces the object of replacement cost.
The present invention proposes a kind of replacing options of shock insulation rubber bearing, comprises the following steps: (1) expands lower buttress; (2) measurement and positioning is carried out to the bolt position of the flanged plate up and down of shock isolating pedestal to be replaced.(3) new shock isolating pedestal is made, and according to the bolt position measured, relevant position perforate on the flanged plate of new shock isolating pedestal.(4) flanged plate up and down of bearing to be replaced is welded.(5) the lower flange crab bolt of bearing to be replaced is taken out.(6) the upper buttress of jacking shock isolating pedestal to be replaced.(7) take out embedded board, knock out lower buttress mobile layer, take out quill.(8) shock isolating pedestal to be replaced is pulled out original position.(9) new shock isolating pedestal is carried out precompressed, weld upper and lower flanged plate.(10) new bearing is transported to installation site, and installs fixing.(11) under, buttress mobile layer pours into ungauged regions self-flow pattern concrete.(12) the upper buttress of jacking is unloaded.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before the upper buttress of jacking shock insulation rubber bearing to be replaced, lower buttress is carried out expansion and widens.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before the upper buttress of jacking shock isolating pedestal to be replaced, the flanged plate up and down of bearing to be replaced is welded and fixed.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before the upper buttress of jacking shock isolating pedestal to be replaced, the set bolt of lower flange plate is taken out.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, during the upper buttress of jacking shock isolating pedestal to be replaced, the upper buttress of the circumferential seat of jacking simultaneously.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, during the upper buttress of jacking shock isolating pedestal to be replaced, be the mode of one-level according to 0.5mm, carry out multistage loadings.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, during the upper buttress of jacking periphery shock isolating pedestal, be the mode of one-level according to 0.25mm, carry out multistage loadings.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, in jacking, buttress specifically comprises the following steps: (1) is by the top of multiple jack and basis rest steel plate.(2) between upper buttress and lower buttress, set up jack, and make jack be positioned at stressed the making a concerted effort on central axis of buttress.(3) by buttress in jack jacking.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before shock isolating pedestal to be replaced is pulled out original position, break the concrete mobile layer of lower buttress into pieces chipping.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before shock isolating pedestal to be replaced is pulled out original position, the quill of lower buttress is taken out.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, shock isolating pedestal to be replaced is pulled out original position concrete steps: (1) puts into the stainless steel cushion block consistent with mobile layer height on lower buttress.(2) lubrication oil is coated at iron sheet upper surface.(3) iron sheet is laid in the lower buttress mobile layer of chipping.(4) cucurbit is adopted to pull out old bearing along iron sheet.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, before putting into new bearing, new bearing carries out precompressed, upper and lower flanged plate welding.
According to the shock insulation rubber bearing replacing options described in present pre-ferred embodiments, the step of new bearing is installed: the stainless steel cushion block that (1) is consistent with mobile layer height on lower buttress.(2) new bearing is placed on above a pier template.(3) upper flange crab bolt is tightened put in place.(4) take out stainless steel cushion block, put into quill.(5) lower flange crab bolt is tightened put in place.(6) ungauged regions self-flow pattern concrete is poured in the mobile layer of lower buttress.
Change technology relative to existing shock isolating pedestal, the present invention has the following advantages:
1, the present invention is in the jacking process of upper buttress, and the mode that main buttress is one-level according to 0.5mm loads, and the mode that periphery buttress is one-level according to 0.25mm loads, and loading procedure is incremental, ensures the safety of construction.
2, the present invention unloads flanged plate bolt after welding the steel plate of upper and lower flanged plate, both effectively prevent shock isolating pedestal naturally rebounding in upper buttress jacking process, in upper buttress jacking process, bearing can have been taken away lower buttress again.
3, the present invention breaks the concrete mobile layer of lower buttress into pieces chipping, lays the iron sheet of band lubrication oil, not only reduces the jacking displacement to upper buttress, avoids the adverse effect produced concrete structure, improves working security; The space that bearing is drawn can also be increased, reduce the frictional force that bearing is drawn, reduce the difficulty that bearing is drawn.
4, the present invention needs to carry out precompressed before buttress put into by new bearing, and upper and lower flanged plate welding steel, ensures that new bearing is consistent with the height of old bearing, introduces process simple and fast.
5, sleeve of the present invention is made up of fixed muffle and quill two parts, and quill and fixed muffle match, and height is consistent with upper buttress mobile layer, when removing mobile layer, can remove quill easily, when installing new bearing, quill is easy to coordinate fixing shock isolating pedestal with fixed muffle.
6, when the present invention installs new bearing, first the bolt tightening of upper buttress is put in place, ensure that new bearing is suspended from buttress, be convenient to coordinating and bolt fixing of lower flange plate of quill and fixed muffle.
7, the new bearing of the present invention install fixing after only need to pour into ungauged regions self-flow pattern concrete and fill up lower buttress mobile layer, after concrete is entirely solidifying, remove the steel plate of welding, unload jack step by step, operation is simple, and security performance is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing shock insulation rubber bearing, and wherein 10 is shock isolating pedestal, and 11 is lower buttress, and 12 is upper buttress, 13 is lower buttress quill, and 14 is lower buttress fixed muffle, and 15 is flanged plate bolt, 16 is dowel, and 17 is lower buttress mobile layer, and 18 is upper buttress sleeve;
Fig. 2 is a kind of embodiment flow chart of shock insulation rubber bearing replacing options of the present invention;
A kind of embodiment flow chart when Fig. 3 is jacking buttress of the present invention;
Fig. 4 is a kind of embodiment flow chart of the present invention when shock isolating pedestal to be replaced being pulled out original position;
Fig. 5 is a kind of embodiment flow chart that the present invention installs new bearing;
Fig. 6 a-Fig. 6 f is the replacing flow chart of shock insulation rubber bearing of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings the specific embodiment of the present invention is described in detail.
Refer to Fig. 2, it is a kind of embodiment flow chart of shock insulation rubber bearing replacing options of the present invention, comprises the following steps:
(1) measurement and positioning is carried out to the bolt position of the flanged plate up and down of shock isolating pedestal to be replaced.
(2) new shock isolating pedestal is made, and according to the bolt position measured, relevant position perforate on flanged plate.
(3) lower buttress is widened in expansion.
(4) with the upper and lower flanged plate of Plate Welding shock isolating pedestal.
(5) bearing lower flange crab bolt is dismantled.
(6) the upper buttress of jacking shock isolating pedestal to be replaced.
(7) break buttress mobile layer under chipping into pieces, take out quill.
(8) shock isolating pedestal to be replaced is pulled out original position.
(9) new shock isolating pedestal is transported to installation site, and installs fixing.
(10) ungauged regions self-flow pattern concrete is poured into lower buttress mobile layer.
(11) the upper buttress of jacking is unloaded.
When replacing options of the present invention starts construction, shock isolating pedestal top to be replaced may complete or carry out the construction of some concrete structures, thus needs the operation stopping shock isolating pedestal region to be replaced.
First measurement and positioning to be carried out to the bolt position of the flanged plate up and down of shock isolating pedestal to be replaced, mainly in order to new shock isolating pedestal that follow-up making is suitable, because shock isolating pedestal to be replaced may have occurred horizontal movement (as 30 ~ 80mm) to a certain degree, and the new shock isolating pedestal made does not have horizontal movement, therefore when measuring, need to measure the horizontal offset between upper flange plate and lower flange plate respectively, thus just can obtain the position offering bolt hole when making new shock isolating pedestal., also the axis of lower buttress can be marked meanwhile, and the position line of ink marker on upper flange plate and lower flange plate four limit is marked on upper and lower buttress, control new installation site so that correct.
Then just can customize new shock isolating pedestal according to the bolt position measured, the bolt hole position on the flanged plate up and down of new shock isolating pedestal will with the bolt hole position consistency on upper and lower buttress.Just the bolt installation site of new shock isolating pedestal can be made corresponding with shock isolating pedestal to be replaced by this step, overcome the installation difficult problem caused because of horizontal movement, can more conveniently exactly new shock isolating pedestal be fixed between upper and lower buttress.
After new shock isolating pedestal makes, just can prepare for buttress in jacking.Because lower buttress is smaller, jack cannot be arranged, carries out expansion widen lower buttress.Removable support is adopted to widen lower buttress.
Because the shock isolating pedestal that need change has certain decrement under upper load effect, can rebound by nature in the process of superstructure jacking, if do not taken measures, will the displacement of superstructure jacking be increased, and concrete structure be formed and threatens.For this reason, the present invention before buttress, can take the method welded with two block plates by upper and lower flanged plate in jacking, thus shock isolating pedestal can not be rebounded, and also ensure that jacking distance little as far as possible.
In order to bearing is taken away lower buttress by the process by jacking, need first to dismantle shock isolating pedestal lower flange crab bolt.
In addition, can not be damaged in order to ensure top concrete structure, reduce the overall deformation quantity of top concrete structure, can to the upper buttress together jacking of main buttress (referring to the upper buttress of shock isolating pedestal position to be changed) and periphery shock isolating pedestal position, refer to Fig. 3, the process of jacking can specifically comprise the following steps:
(1) bearing lower flange crab bolt is dismantled.In order to allow shock isolating pedestal leave lower buttress mobile layer along with the jacking process of upper buttress, need first to unload lower flange crab bolt.
(2) jack riding position is arranged.In order to buttress in better safe jacking, by mechanical analysis, incorporation engineering actual conditions, arrange the jack position that the upper buttress of shock isolating pedestal is treated in jacking.
(3) by the top of multiple jack and basis rest dispersive stress steel plate.The size of steel plate is comparatively large, to increase the contact area of jack and upper and lower buttress, reduces compressive stress.
(4) between upper buttress and lower buttress, set up jack, and make jack be positioned at stressed the making a concerted effort on central axis of buttress.And for preventing main jack to lose efficacy, the jack for subsequent use of protection can be equipped with.
(5) diagonal orientation between upper buttress and lower buttress arranges two displacement meters respectively.In order to measure the jack-up height of upper buttress, can lay displacement meter 4 in the diagonal orientation of buttress, each bight lays two, and lower buttress deflection measured by a displacement meter, and another one measures the displacement of upper buttress.
(6) by buttress in jack jacking.
The height that jacking process strictly should control jacking is no more than 1/800 of girder span.During the main buttress of jacking, the mode being one-level according to 0.5mm carries out multistage loadings, and during the upper buttress of jacking periphery shock isolating pedestal, the mode being one-level according to 0.25mm carries out multistage loadings.
In jacking process, if shock isolating pedestal and lower buttress depart from, just can carry out step shock isolating pedestal to be replaced being pulled out original position.Whether can detect by an unaided eye lower buttress end face and upper flange plate bottom surface throws off.If throw off, then carry out step shock isolating pedestal being pulled away from original position; As do not thrown off, then carry out next stage loading, until throw off.The process that shock isolating pedestal is shifted out in traction will keep shock isolating pedestal outwards to shift out according to straight line, if deflection should give correction more greatly as far as possible.Specifically, as shown in Figure 4, shock isolating pedestal to be replaced is pulled out original position can comprise the following steps:
(1) concrete of buttress mobile layer under chipping, takes out quill.The concrete of chipping mobile layer, should be noted that and do not fall in fixed muffle by concrete slag, affect the installation of lower flange plate set bolt.Chipping concrete can increase the space that bearing to be replaced shifts out, the top lifting height of buttress in minimizing, ensures the safety of superstructure and the concrete harmless of upper buttress.
(2) carry out playing cutter and polishing to shifting out the position of direction being hindered shock isolating pedestal movement.
(3) on lower buttress, put into the stainless steel cushion block with mobile layer equal altitudes, hold up shock insulation rubber bearing to be replaced.
(4) in iron sheet upper surface coating lubricating oil.Iron sheet upper surface coating lubricating oil, can reduce bearing to be replaced and shift out frictional force at present between flanged plate and iron sheet, reduce the difficulty shifting out operation.
(5) above lower buttress iron sheet being routed to chipping.Iron sheet needs facing up coating lubricating oil when laying, and is convenient to bearing shifting out in process and has less frictional force.
(6) in lower flange plate side coating lubricating oil.
(7) upper flange crab bolt is dismantled.
(8) shock isolating pedestal to be replaced is pulled out original position along tin plate.
While the shock isolating pedestal pull-out that need change, just new shock isolating pedestal can be transported to installation site, and install fixing, participate in Fig. 5.New bearing is installed and comprises following concrete steps:
(1) the new bearing of precompressed, upper and lower flanged plate welding steel.The new bearing that precompressed makes, ensures that new bearing has identical height with the old bearing of replacing.Can compress under the pressure of old bearing buttress and whole superstructure on bearing, highly become short, in order to ensure that new bearing can be installed smoothly and carry the pressure of superstructure, need to be depressed into the same height of old bearing in advance to new bearing, upper and lower flanged plate welding steel is fixed.
(2) under, buttress mobile layer is encased inside stainless steel cushion block.The height of stainless steel cushion block is consistent with the height of lower buttress mobile layer, ensures that new bearing puts into rear and upper buttress earth surface, is convenient to the fixed installation of upper flange crab bolt.Being evenly distributed of cushion block, ensures the uniform distribution of bearing capacity.
(3) above the cushion block new bearing being placed on lower buttress.In the process of installing, equally also need the position of approach axis hindering shock isolating pedestal movement to be carried out play cutter and polishing, then can manually new shock isolating pedestal be moved to above the cushion block of lower buttress by cucurbit.
(4) by the bolt-locking of upper flange plate.Locking upper flange crab bolt is to be fixed on above upper buttress by bearing, is convenient to building of lower buttress mobile layer.
(5) take out stainless steel cushion block, put into quill.The position of quill and fixed muffle position consistency.
(6) lower flange crab bolt is locked.The lower flange plate of lower flange crab bolt locking support, quill and fixed muffle.
(7) ungauged regions self-flow pattern concrete is poured in the mobile layer of lower buttress.Not shrinkage strain after ungauged regions self-flow pattern concrete coagulates entirely, can be good at the weight carrying bearing and superstructure.
(8) again upper flange crab bolt and lower flange crab bolt is locked.
(9) the upper buttress of jacking is unloaded, lay down the welding steel between the upper and lower flanged plate of shock isolating pedestal, complete the replacing work progress of whole shock isolating pedestal.
By the replacing options of shock insulation rubber bearing of the present invention, solve the problem changing location difficulty because of the vertical compression of shock isolating pedestal generation and horizontal movement well, ensure that shock isolating pedestal is accurately in place, the adverse effect that concrete structure is produced is avoided with minimum structure top lifting height, easy and simple to handle, safe and reliable, cost is lower.
Above-described embodiment not limits the invention, and those skilled in the art can design alternative embodiment when not departing from claims scope.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and does not arrange element in the claims or step.
Claims (10)
1. a replacing options for shock insulation rubber bearing, is characterized in that comprising the following steps: (1) expands lower buttress; (2) measurement and positioning is carried out to the bolt position of the flanged plate up and down of shock isolating pedestal to be replaced; (3) new shock isolating pedestal is made, and according to the bolt position measured, relevant position perforate on the flanged plate of new shock isolating pedestal; (4) flanged plate up and down of bearing to be replaced is welded; (5) the lower flange crab bolt of bearing to be replaced is taken out; (6) the upper buttress of jacking shock isolating pedestal to be replaced; (7) take out embedded board, knock out lower buttress mobile layer, take out quill; (8) shock isolating pedestal to be replaced is pulled out original position; (9) new shock isolating pedestal is carried out precompressed, weld upper and lower flanged plate; (10) new bearing is transported to installation site, and installs fixing; (11) under, buttress mobile layer pours into ungauged regions self-flow pattern concrete; (12) the upper buttress of jacking is unloaded.
2. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, during the upper buttress of jacking shock isolating pedestal to be replaced, and the upper buttress of the circumferential seat of jacking simultaneously.
3. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, during the upper buttress of jacking shock isolating pedestal to be replaced, is the mode of one-level, carries out multistage loadings according to 0.5mm.
4. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, during the upper buttress of jacking periphery shock isolating pedestal, is the mode of one-level, carries out multistage loadings according to 0.25mm.
5. the replacing options of a kind of shock insulation rubber bearing according to claim 1, it is characterized in that, in jacking, buttress specifically comprises the following steps: (1) is by the top of multiple jack and basis rest steel plate; (2) between upper buttress and lower buttress, set up jack, and make jack be positioned on the stressed central axis with joint efforts of buttress; (3) by buttress in jack jacking.
6. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, before shock isolating pedestal to be replaced is pulled out original position, breaks the concrete mobile layer of lower buttress into pieces chipping.
7. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, before shock isolating pedestal to be replaced is pulled out original position, is taken out by the quill of lower buttress.
8. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, shock isolating pedestal to be replaced is pulled out original position concrete steps: (1) puts into the stainless steel cushion block consistent with mobile layer height on lower buttress; (2) lubrication oil is coated at iron sheet upper surface; (3) iron sheet is laid in the lower buttress mobile layer of chipping; (4) cucurbit is adopted to pull out old bearing along iron sheet.
9. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, before putting into new bearing, new bearing is carried out precompressed, and by its upper and lower flanged plate welding.
10. the replacing options of a kind of shock insulation rubber bearing according to claim 1, is characterized in that, installs the step of new bearing: the stainless steel cushion block that (1) is consistent with mobile layer height on lower buttress; (2) new bearing is placed on above a pier template; (3) upper flange crab bolt is tightened put in place; (4) take out stainless steel cushion block, put into quill; (5) lower flange crab bolt is tightened put in place; (6) ungauged regions self-flow pattern concrete is poured in the mobile layer of lower buttress.
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| CN201410635351.XA CN104358421B (en) | 2014-11-12 | 2014-11-12 | A kind of replacing method of shock insulation rubber bearing |
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| CN201410635351.XA CN104358421B (en) | 2014-11-12 | 2014-11-12 | A kind of replacing method of shock insulation rubber bearing |
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| CN106677557A (en) * | 2017-03-10 | 2017-05-17 | 中国机械工业集团有限公司 | Supporting protective structure capable of replacing large air spring through jacking and construction technique |
| CN106838556A (en) * | 2017-01-19 | 2017-06-13 | 北京工业大学 | A kind of shock isolating pedestal device and its installation and removal method for shaking table model |
| CN107574943A (en) * | 2017-08-03 | 2018-01-12 | 昆明理工大学 | A kind of shock isolating pedestal installation method of the asymmetric flanged plate of buckle-type |
| CN110886207A (en) * | 2019-12-18 | 2020-03-17 | 无锡圣丰建筑新材料有限公司 | Replacement structure of shock insulation support |
| CN112681796A (en) * | 2020-12-26 | 2021-04-20 | 震安科技股份有限公司 | Method for installing and replacing shock insulation rubber support on cast-in-place pile |
| CN113982302A (en) * | 2021-10-11 | 2022-01-28 | 河北省建筑科学研究院有限公司 | Undisturbed replacement construction method for existing seismic isolation building seismic isolation support |
| CN114059580A (en) * | 2021-11-08 | 2022-02-18 | 北京九州一轨环境科技股份有限公司 | Equipment vibration reduction horizontal limiter and construction method thereof |
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| CN106838556A (en) * | 2017-01-19 | 2017-06-13 | 北京工业大学 | A kind of shock isolating pedestal device and its installation and removal method for shaking table model |
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| CN106677557A (en) * | 2017-03-10 | 2017-05-17 | 中国机械工业集团有限公司 | Supporting protective structure capable of replacing large air spring through jacking and construction technique |
| CN106677557B (en) * | 2017-03-10 | 2019-03-12 | 中国机械工业集团有限公司 | A kind of support protection structure and construction technology rising top replacement large-scale air spring |
| CN107574943A (en) * | 2017-08-03 | 2018-01-12 | 昆明理工大学 | A kind of shock isolating pedestal installation method of the asymmetric flanged plate of buckle-type |
| CN110886207A (en) * | 2019-12-18 | 2020-03-17 | 无锡圣丰建筑新材料有限公司 | Replacement structure of shock insulation support |
| CN112681796A (en) * | 2020-12-26 | 2021-04-20 | 震安科技股份有限公司 | Method for installing and replacing shock insulation rubber support on cast-in-place pile |
| CN113982302A (en) * | 2021-10-11 | 2022-01-28 | 河北省建筑科学研究院有限公司 | Undisturbed replacement construction method for existing seismic isolation building seismic isolation support |
| CN114059580A (en) * | 2021-11-08 | 2022-02-18 | 北京九州一轨环境科技股份有限公司 | Equipment vibration reduction horizontal limiter and construction method thereof |
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| CN104358421B (en) | 2016-05-25 |
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