CN203347258U - Existing masonry building assembled type anti-seismic reinforcing structure - Google Patents

Existing masonry building assembled type anti-seismic reinforcing structure Download PDF

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Publication number
CN203347258U
CN203347258U CN 201320387913 CN201320387913U CN203347258U CN 203347258 U CN203347258 U CN 203347258U CN 201320387913 CN201320387913 CN 201320387913 CN 201320387913 U CN201320387913 U CN 201320387913U CN 203347258 U CN203347258 U CN 203347258U
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China
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steel pipe
masonry structure
plate
former
plates
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谢婧
姬卫东
齐明
李晨光
骆远骋
赵继刚
胡鸿志
崔广为
彭宇
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BEIJING CONSTRUCTION ENGINEERING GROUP BOHAI CONSTRUCTION Co Ltd
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BEIJING CONSTRUCTION ENGINEERING GROUP BOHAI CONSTRUCTION Co Ltd
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Abstract

An existing masonry building assembled type anti-seismic reinforcing structure is connected to the outer side of an original masonry structure wall face and comprises wall attaching plates, house splitting plates, balcony plates and outer hanging plates. The wall attaching plates, the house splitting plates, the balcony plates and the outer hanging plates correspond to the original masonry structure. One side, closely attached to the wall face of the original masonry structure of each wall attaching plate, is welded with pre-buried embedded steel bars in the wall face of the original masonry structure. Adhesives are filled into clearance between the wall attaching plates and the wall face of the original masonry structure. The house splitting plates are perpendicular to the wall attaching plates and are welded with pre-buried embedded steel bars in the wall face of the original masonry structure. Preserved horizontal reinforcing bars at the two ends of each balcony plate are welded with pre-buried pieces in the upper portion of each house splitting plate. Horizontal reinforcing bars, closely attached to one side of each wall attaching plate, of each balcony plate are welded with pre-buried embedded steel bars in the wall face of the original masonry structure. The inner side of each outer hanging plate is connected and fixed with the outer side of each house splitting plate and the outer side of each balcony plate. The existing masonry building assembled type anti-seismic reinforcing structure solves the technical problems that old masonry buildings are poor in anti-seismic performance, external building decorations and internal components are damaged, inhabiting comfortable performance is poor, and energy consumption amount is large.

Description

Existing masonry residence assembled anti-knock ruggedized construction
Technical field
The utility model relates to a kind of quake-proof reinforcing structure of existing masonry building structure.
Background technology
The antidetonation of old house and heat-insulating property can not meet the requirement of modern people to dwelling environment, relatively backward due to former Building technology, most buildings were not carried out seismic hardening and reducing energy consumption, anti-seismic performance is poor, also existing the outer decoration materials of building comes off, partial component is destroyed, and comfortable for living is poor, the energy-intensive problem.
The utility model content
The purpose of this utility model is to provide existing masonry residence assembled anti-knock ruggedized construction, solves old masonry residence anti-seismic performance poor, and building exterior trim and internals are damaged, and comfortable for living is poor, the energy-intensive technical problem.
For achieving the above object, the utility model adopts following technical scheme:
Existing masonry residence assembled anti-knock ruggedized construction, construction sequence is as follows:
A kind of existing masonry residence assembled anti-knock ruggedized construction, be connected to the outside of former masonry structure metope, comprise the subsides wallboard that each layer is corresponding with former masonry structure, divide the family plate, balcony slab and cladding panel, described subsides wallboard is close to bar planting pre-buried on a side of former masonry structure metope and former masonry structure metope and is welded to connect, paste in the gap between wallboard and former masonry structure metope and fill with adhesive is arranged, described minute family plate with paste wallboard vertical and with former masonry structure metope on pre-buried bar planting be welded to connect, beard muscle and minute plate top, a family built-in fitting welding that described balcony slab two ends are reserved, described balcony slab is welded to connect by the beard muscle of subsides wallboard one side and the bar planting on former masonry structure metope, the inboard of described cladding panel all is connected and fixed with the outside of minute family plate and balcony slab,
The bottom that the first floor pastes wallboard is connected with the basis of former masonry residence by first floor built-in fitting, and Ban both sides, described minute family are provided with temporary supporting.
Gap between described subsides wallboard and former masonry structure metope is less than 0.5cm, and described adhesive adopts the foamed glue of direct spraying; Gap between described subsides wallboard and former masonry structure metope is greater than 0.5cm, and it is the foam rods of 1cm~6cm and the foamed glue of spraying that described adhesive adopts diameter.
The first floor divides the temporary supporting of backplate both sides to comprise the reinforcing steel pipe, described reinforcing steel pipe reserved steel pipe hole from minute family plate penetrates, from the first piece minute family plate is installed, every subsides wallboard in place is used the reinforcing steel pipe to penetrate the steel pipe hole and use the snap lock jail, form successively integral body, it is whole that ground diagonal brace steel pipe becomes with the reinforcing steel pipe drawknot that penetrates minute family plate.
Scaffolding steel pipe is through window opening and the former walls with brick masonry structure drawknot of cladding panel self.
The temporary supporting of minute plate both sides, family more than two layers is reinforced and is comprised reinforcing steel pipe and drawknot steel pipe, described reinforcing steel pipe reserved steel pipe hole from minute family plate penetrates, every subsides wallboard in place is used the reinforcing steel pipe to penetrate the steel pipe hole, and will reinforce an end lock jail of steel pipe and drawknot steel pipe with buckle, the other end of drawknot steel pipe connects one section short steel pipes by buckle, described short steel pipes is connected with the pre-embedded steel slab surface full weld that is installed with expansion bolt in former masonry structure metope, forms successively whole.
Compared with prior art the utlity model has following characteristics and beneficial effect:
Assembled anti-knock prefabricated units reinforcing technique in the utility model is mainly the seismic hardening system formed at the upper a set of subsides wallboard connected of existing masonry structure (former masonry structure), minute family plate, balcony slab and cladding panel, existing masonry structure is connected by grouting with reinforcement system, and be aided with " bar planting " and auxiliary connection measures such as " ater-castings ", in order to guarantee that prefabricated units and existing masonry structure are connected firmly, improved the shock resistance of old masonry residential, the anti-seismic performance of old building is improved.
In the utility model, arranging of cladding panel transformed integrated solution by heat preservation energy-saving and outer decoration for vertical face, not only increase the house comfort level, externally facade upgrades, and has also improved Residential Property and facade visual effect, reduces the effect that energy consumption reaches energy-saving heat preserving.
The equal Prefabrication of assembled anti-knock member of the present utility model, the on-the-spot installation, labour intensity is little, and wet trade is few, and construction period is fast; Little to the surrounding resident interference, register one's residence workload seldom, the resident needn't take out of.
The utility model has increased resident's floor space, and a standard width of a room in an old-style house increases approximately 10 square metres of areas, to resident living, has brought improvement.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the process chart of the job practices of the utility model seismic reinforcing structure.
Fig. 2 is the process chart of the construction method step six of the utility model seismic reinforcing structure.
Fig. 3 is the drawing of site of first floor built-in fitting on basis in the construction method step 12 of the utility model seismic reinforcing structure.
Fig. 4 is the schematic diagram of first floor built-in fitting fixed head in the construction method step 12 of the utility model seismic reinforcing structure.
Fig. 5 is the installation site schematic diagram that in the construction method step 14 of the utility model seismic reinforcing structure, the first floor pastes wallboard.
Fig. 6 is the first floor minute Ban installation site, family schematic diagram in the construction method step 15 of the utility model seismic reinforcing structure.
Fig. 7 reinforces the position view of steel pipe and ground diagonal brace steel pipe in the construction method step 15 of the utility model seismic reinforcing structure.
Fig. 8 is the installation site schematic diagram of first floor balcony slab in the construction method step 16 of the utility model seismic reinforcing structure.
Fig. 9 is the installation site schematic diagram of first floor cladding panel in the construction method step 17 of the utility model seismic reinforcing structure.
Figure 10 is the schematic diagram that in the utility model, in the seismic reinforcing structure job practices, scaffolding steel pipe is connected with former masonry structure metope for the second time.
Figure 11 is the schematic diagram that in the utility model, in seismic reinforcing structure, the temporary supporting of minute plate both sides, family more than two layers is reinforced.
The former masonry structure metope of Reference numeral: 1-, 2-pastes wallboard, 2.1-the first floor pastes wallboard, 3-divides the family plate, 3.1-the first floor divides the family plate, the 4-balcony slab, 4.1-first floor balcony slab, the 5-cladding panel, 5.1-first floor cladding panel, 6-reinforces steel pipe, 7-ground diagonal brace steel pipe, the 8-expansion bolt, the 9-fixed head, 10-first floor built-in fitting, 11-is scaffolding steel pipe for the second time, 12-drawknot steel pipe, 13-steel pipe hole, the 14-buckle, the 15-short steel pipes, 16-drawknot scaffolding steel pipe, the 17-pre-embedded steel slab.
The specific embodiment
Embodiment is shown in Figure 9, a kind of existing masonry residence assembled anti-knock ruggedized construction, be connected to the outside of former masonry structure metope 1, comprise the subsides wallboard 2 that each layer is corresponding with former masonry structure, divide family plate 3, balcony slab 4 and cladding panel 5, described subsides wallboard 2 is close to bar planting pre-buried on a side of former masonry structure metope 1 and former masonry structure metope 1 and is welded to connect, fill with adhesive is arranged in the gap that subsides wallboard 2 and former masonry structure metope are 1, described minute family plate 3 with paste wallboard 2 vertical and with former masonry structure metope 1 on pre-buried bar planting be welded to connect, beard muscle and the 3 top built-in fitting welding of minute family plate that described balcony slab 4 two ends are reserved, described balcony slab 4 is welded to connect by the beard muscle of subsides wallboard 2 one sides and the bar planting on former masonry structure metope 1, the inboard of described cladding panel 5 all is connected and fixed with the outside of minute family plate 3 and balcony slab 4,
Participate in shown in Fig. 3~6, the bottom that the first floor pastes wallboard 2.1 is connected with the basis of former masonry residence by first floor built-in fitting 10, participates in shown in Fig. 7 and 9, and the both sides of described minute family plate 3 are provided with temporary supporting.
The gap that described subsides wallboard 2 and former masonry structure metope are 1 is less than 0.5cm, and described adhesive adopts the foamed glue of direct spraying; The gap that described subsides wallboard 2 and former masonry structure metope are 1 is greater than 0.5cm, and it is the foam rods of 1cm~6cm and the foamed glue of spraying that described adhesive adopts diameter.
Participate in shown in Fig. 7, the first floor divides the temporary supporting of backplate both sides to comprise the reinforcing steel pipe, described reinforcing steel pipe reserved steel pipe hole from minute family plate penetrates, from the first piece minute family plate is installed, every subsides wallboard in place is used the reinforcing steel pipe to penetrate the steel pipe hole and use the snap lock jail, form successively integral body, it is whole that ground diagonal brace steel pipe 7 becomes with reinforcing steel pipe 6 drawknots that penetrate minute family plate.
Participate in shown in Fig. 7, scaffolding steel pipe 11 is through window opening and the former walls with brick masonry structure drawknot of cladding panel self.
Participate in shown in Fig. 9, the temporary supporting of minute family plate 3.2 both sides more than two layers is reinforced and is comprised reinforcing steel pipe 6 and drawknot steel pipe 12, described reinforcing steel pipe 6 reserved steel pipe hole 13 from minute family plate penetrates, every subsides wallboard in place is used reinforcing steel pipe 6 to penetrate steel pipe hole 13, and it is firm with an end lock of drawknot steel pipe 12 to reinforce steel pipe 6 with buckle 14, the other end of drawknot steel pipe 12 connects one section short steel pipes 15 by buckle 14, described short steel pipes 15 is connected with the surperficial full weld of pre-embedded steel slab 17 that is installed with expansion bolt 8 in former masonry structure metope 1, forms successively whole.
Shown in Figure 1, for this existing masonry residence assembled anti-knock ruggedized construction, construction sequence is as follows:
Step 1, remove obstruction outside the building of former masonry structure, carries out early stage for the original underground utilities that affects New Buildings before construction and transform, and resident's the architecture against regulations (self-built houselet) etc. is removed.
Step 2, scaffold building construction for the first time: scaffold is connected with former masonry structure for the first time, this scaffold for original balcony, air-condition plate, cornice, the metope ridges such as polishing, bar planting are removed and the cleaning metope provides construction scaffolding, can set up double single vertical rod console mode scaffold, scaffold building requires to carry out the related specifications standard.Scaffold must carry out drawknot with original building.
Step 3, remove the ridge of former masonry structure metope: so, to the construction of band family, first carry out the protection of population construction, interim exterior window is removed and installed to the exterior window of former masonry structure, at the balcony place of former masonry structure, interim couplet on the door window is installed; Then the constructor stand in for the first time on scaffold to balcony, balcony fence, changing window into door hole, roof in former masonry structure metope face ridge cornice, eaves is removed under window rain visor and window; Remove in former masonry structure metope face ridge balcony, balcony fence, changing window into door hole and roof and cornice and adopt water to bore or the wall saw carries out the static(al) cutting and separating, under window rain visor and window, eaves adopts the portable saw cutting and separating.
Step 4, measure unwrapping wire: measure the elevation dimension of axis, floor height and the door and window hole of former masonry structure, for the prefabricated units in factory provide process data.
Step 5, the cleaning of former masonry structure metope: the floated coat of rejecting all former masonry structure metopes, the crisp alkali of former masonry structure metope, loosening, unreal jointing mortar are rejected, and reuse mortar the gap after rejecting is filled, the position of serious damage on former masonry structure metope is removed and re-started and built by laying bricks or stones, part loose in concrete structure to former masonry structure metope is rejected, and floating with pea gravel concreten, finally the former masonry structure metope after repairing is polished at the clear end.
Step 6, bar planting: shown in Figure 2, according to design drawing, former masonry structure metope is carried out to the bar planting construction, the process of bar planting construction comprises location unwrapping wire, mechanical hole building, clear hole, verifies, reinforcing bar processing, injecting glue, bar planting, fixing and maintenance and pull-out test; According to design drawing, in conjunction with on-site actual situations, former metope is carried out to the bar planting construction.The bar planting construction requirement is carried out the related specifications standard.Unwrapping wire, according to the timely Feedback Design of on-site actual situations, goes out unwrapping wire standard and bar planting position by the design unification.
Step 7, remove scaffold for the first time: until the metope bar planting complete, drawing experiment qualified after, to carrying out scaffold for the first time, removed.
Step 8, soil excavation: the burial place of determining various underground utilities and land burial thing in job site, carry out measuring point and unwrapping wire according to design drawing, adopt artificial cooperative mechanical excavation, implement actual figure paper size, and carry out measuring point, unwrapping wire and excavation, the construction needs that at first the fortune construction should consider the precession stake are dug in the earthwork, for the precession pile driving construction creates conditions, after the precession pile driving construction, again for supporting construction creates conditions, the excavation absolute altitude is as the criterion with the design drawing mark.
Step 9, the construction of spiral piling bar: work progress comprises that piling bar making, measurement and positioning, pile-forming machine perching, piling bar installation, rotary drilling, releasing pile foundation, piling bar are fixed, telephone-moving to next stake, pile completes, the above piling bar of pile crown is removed and pile body slip casting.
The rear place compliance test pile that first carries out of marching into the arena, to determine construction parameter and sequence of construction; Piling bar all adopts factory process; Require and mark according to construction drawing and carry out measurement and positioning; During pile-forming machine perching, necessary held stationary, not run-off the straight displacement, the elevation standard point is drawn to control the piling bar drilling depth in the outside on construction ground, by spirit level and king-tower plummet and pointer control piling bar gradient; Between piling bar and stake machine, adopt flange to be connected, need connect two flanges with screw, connection segment piling bar in piling bar precession process, the connection of connected mode flange; Start a machine, adjust verticality, after reaching vertical requirement, start rotary drilling, reach the design hole depth and stop boring; After piling bar is drilled into design elevation, stop creeping into, the screw that stake machine piling bar flange is connected is backed out, and removes the flange that the stake machine is connected with piling bar; Before slip casting around stake 1m~1.5m concreting thickness be greater than 0.1m, after 72 hours, concrete has some strength can start slip casting; On the slip casting locomotive, between Grouting Pipe and piling bar, be connected, the slurries after stirring, inject in pile body, and grouting amount reaches design while wanting, and grouting pressure reaches that the design pressure maintenance reaches the ground grout after some minutes can stop slip casting.When grouting amount does not reach designing requirement, carry out in case of necessity repeatedly slip casting.
Step 10, anchor bolt construction: work progress comprises that dowel processing, location unwrapping wire, rig are in place, anchor hole pore-forming, lower dowel and Grouting Pipe, Grouting Pipe slip casting and maintenance, when anchor bolt construction need penetrate the multiple brick mix structure structure such as original building structure outer, underground heating installation ditch, original constructure base, the common bolt machine can't complete construction, adopt the construction technology of advancing with pipe bit, construction machinery adopts water to bore roof-bolter, normal head is transformed, connect down-hole hammer, adopt the current band interior residue that portals, to reach the order of smooth pore-forming;
If the heating installation ditch of present situation is partly arranged near skin, flow into the heating installation ditch when avoiding grout injection, in the inside 1.0~1.5m scope in aperture, secondary is squeezed into the steel sleeve of diameter 150mm, the length of steel sleeve is sent out leap heating installation ditch certain-length and is advisable, and thickness is not less than 3mm;
The body of rod adopts the grade III steel muscle of Φ 25mm, by Grouting Pipe with complete and through lower hand-hole together with the dowel of checking and accepting in, Grouting Pipe the inner, far from 50~100mm at the bottom of hole, guarantees to return smoothly slurry at the bottom of hole.Anchor bolt construction adopts the overall length anchoring, and the prestressing force of not constructing, should adopt clay or woven bag to seal aperture during slip casting, and the cement paste water/binder ratio is 0.5, and second pulp feeding interval time is 2~4h, guarantees that in hole, slip casting is full.Stir slurry and adopt the Special agitating bucket, slurries are by the design preparation, and cement adopts the P.O42.5 Portland cement, and water/binder ratio is 0.5.Slurry agitation is even, and mixing time must not be less than 3 minutes, with mixing with use.After bolt grouting, maintenance is approximately 7 days, and injecting cement paste intensity can reach 70% left and right of design strength, can carry out the anchor pole pulling test, 5% of the desirable total anchor pole number of experiment quantity, and should not be less than 3, testing result is submitted designing unit to, checks the reasonability of design.
Step 11, the pile cap construction.
Step 12, the measurement unwrapping wire of basis and first floor built-in fitting: shown in Fig. 3-4, determine the position of first floor built-in fitting on basis according to design drawing, draw the position line that first floor built-in fitting arrangement diagram and the first floor paste wallboard, in Fig. 2, fixed head 9 is fixed heads of first floor built-in fitting 10.
Step 13, basis is buried underground with first floor built-in fitting; According to the prefabricated processing built-in fitting of design drawing, after basic coupling beam reinforcing bar binding has been constructed, the burying underground of the closed front beginning first floor built-in fitting 10 of template.
Step 14, the first floor pastes the installation of wallboard: shown in Figure 5, the lifting first floor pastes wallboard 2.1, paste wallboard 2.1 positions line according to the first floor in step 12, after first floor subsides wallboard 2.1 is installed to design attitude, the first floor is pasted to bar planting welding on wallboard 2.1 and former masonry structure metope 1 as temporary fixed, the first floor is pasted to the bottom of wallboard 2.1 and the first floor built-in fitting 10 in step 13 is connected and fixed.
Step 15, the first floor divides the family plate to install: shown in Figure 6, the lifting first floor divides the family plate after design attitude, divides the bar planting on family plate and former masonry structure metope to weld as temporary fixed the first floor, then connect upper and lower bolt, do the temporary supporting reinforcing with time-division family plate both sides and prevent from toppling; Shown in Figure 7, the temporary supporting of the first floor minute family plate 3.1 both sides is reinforced and is comprised reinforcing steel pipe 6, described reinforcing steel pipe reserved steel pipe hole from minute family plate penetrates, from the first piece minute family plate is installed, every subsides wallboard in place is used the reinforcing steel pipe to penetrate the steel pipe hole and use the snap lock jail, form successively integral body, it is whole that ground diagonal brace steel pipe 7 becomes with reinforcing steel pipe 6 drawknots that penetrate the first floor minute family plate 3.1.After fixing, whether position and the verticality of check plate meet the requirements, and as deviation surpasses permissible value, should again proofread and correct.The pertinent regulations that in the assembling construction, the reinforcing bar connection at jointing place or anchoring should meet design and standard.The additional wallboard of this engineering (pasting wallboard 2, minute family plate 3, balcony slab 4 and cladding panel 5) self forms a stabilising system, but work progress is successively block-by-block lifting, after particularly dividing family plate installation, before balcony slab and out-hung panel are installed, dividing family plate left and right directions to lack effectively supports, simultaneously in order to prevent that some the construction collisions in work progress from waiting load on the impact of wallboard is installed, is necessary to do interim reinforcing to wallboard is installed.
General Requirements prefabricated units producer, all dividing plate hight 2/3 middle part on the plate face of family to reserve in advance for example A70 hole, steel pipe hole 13, is convenient to reinforce steel pipe 6 and penetrates, and guarantees that minute family plate left and right directions is stable.
Step 10 six, first floor balcony slab is installed: shown in Figure 8, lifting first floor balcony slab 4.1 is after design attitude, beard muscle and the first floor that the balcony slab two ends are reserved divide the family plate 3.1 top built-in fitting welding, beard muscle and the welding of the bar planting on former masonry structure metope 1 by balcony slab by pasting wallboard one side, every side pad is no less than 2 points;
During the balcony slab lifting, the workman should operate in scaffold Shang Huo building, plate side, and the workman forbids to stand under plate; Be installed to design attitude with crane during installation as far as possible, do not adopt the crowbar secondary in place, prevent that the member to having installed from having a negative impact.Installation in position and qualified on inspection after, must be fixed, fixing after the position of check plate whether meet the requirements, as deviation surpasses permissible value, should again proofread and correct.
Step 10 seven, first floor cladding panel is installed: shown in Figure 9, on first floor balcony slab and the first floor minute family plate, bullet is established control line, adopts transit or line pendant to control simultaneously and hangs down partially, with the first floor minute family plate 3.1 and first floor balcony slab 4.1, all is connected and fixed after first floor cladding panel 5.1 is lifted into to design attitude; Cladding panel should be checked the member numbering by the lifting flow process before installing.The connection plane of wallboard is installed should be cleaned out, and on work layer balcony slab and minute family plate, control line established by bullet so that installation in position.The corner of noting cladding panel during lifting is not damaged.The adjusting that cladding panel is in place and installation accurate adjustment can, by special tooling or instrument, adopt transit or line pendant to control simultaneously and hang down partially.
Step 10 eight, first floor cladding panel 5.1 installs and carries out basic backfilling of earthwork construction.
Step 10 nine, scaffold building for the second time: after first floor precast construction installs, scaffold is set up with every layer of precast construction for the second time, and scaffold is connected with former masonry structure metope by the expansion anchor be implanted in former masonry structure metope for the second time.
This time scaffold provides construction upper people's scaffold for the prefabricated part hanging constructor.Scaffold is set up with every layer of precast construction.Main drawknot point position should be noted: owing between support body and former masonry structure metope, prefabricated units being arranged, member itself is just in instability status, so support body can only be connected with former masonry structure metope.
Shown in Figure 10, the scaffolding steel pipe for the second time 11 in first floor cladding panel 5.1 outsides is through window opening and former walls with brick masonry structure 1 drawknot of cladding panel self, the scaffolding steel pipe for the second time 11 in all the other each layer of cladding panel outsides is fixing too, drawknot passes through at exterior wall expandable implant bolt 8, expansion bolt 8 is through pre-embedded steel slab 17, the short steel pipes of scaffold 15 is connected with pre-embedded steel slab 1 full weld, and short steel pipes 15 and drawknot scaffolding steel pipe 16 is firm by buckle 14 locks, drawknot scaffolding steel pipe 16 will be from the out-hung panel window through with former masonry structure metope 1, carrying out drawknot.
Step 2 ten, the installation of lower one deck member: the constructor stands in for the second time on scaffold, according to order, subsides wallboard 2, minute family plate 3, balcony slab 4 and the cladding panel 5 of second layer precast construction is installed, and second layer precast construction and first floor precast construction and former masonry structure metope 1 are connected and fixed; The connected mode of the reinforcing steel pipe 6 of minute family plate 3 both sides more than two layers is as follows:
Shown in Figure 11, the temporary supporting of minute family plate 3 both sides more than two layers is reinforced and is comprised reinforcing steel pipe 6 and drawknot steel pipe 12, described reinforcing steel pipe 6 reserved steel pipe hole 13 from minute family plate penetrates, from the first piece minute family plate is installed, every subsides wallboard in place is used reinforcing steel pipe 6 to penetrate steel pipe hole 13, and it is firm with an end lock of drawknot steel pipe 12 to reinforce steel pipe 6 with buckle 14, the other end of drawknot steel pipe 12 connects one section short steel pipes 15 by buckle 14, described short steel pipes 15 is connected with the surperficial full weld of pre-embedded steel slab 17 that is installed with expansion bolt 8 in former masonry structure metope 1, form successively whole.
Step 2 11, maintenance is successively built in cast-in-situ concrete: according to design drawing, the concreting part is first carried out to reinforcing bar binding and formwork, formwork is used foam rods and blowing agent to carry out the shutoff of finedraw, then carries out the construction of concreting.
Step 2 12, the cementation of fissures construction of each laminating wallboard and former masonry structure metope break joint gap, after all precast wall panel installations in Quan building, constructed, in the process of the cementation of fissures construction in each laminating wallboard 2 and 1 gap of former masonry structure metope, the gap that is less than 0.5cm adopts the direct spraying foamed glue to fill in and blocks up, the gap that is greater than 0.5cm adopts foam rods and the spray foam glue that diameter is 1cm~6cm to fill in stifled, the pressure produced while pouring into for fear of grouting material, cause the appearance of gap spillage phenomenon, each slip casting height be not more than 1.5m.Can continue to pour into a mould grouting material after the solidifying fills grouting material sclerosis of last position;
Construction point has before slurry pours into crack, should at first open grouting pump, when slurry, from the grouting pipe outlet pumps out even slurry, can start slip casting; Slip casting should be constructed continuously, should check the closely knit situation of perfusion in the slip casting process, if any unreal, should mend in time slurry, fully closely knit to guarantee; In the slip casting process, every slip casting should be made 3 groups of standardized test sample of maintenances (40 * 40 * 160mm) half working day, carries out compressive strength and rupture strength test.And slip casting is carried out to record;
During the burst spillage, process: can fill in advance waterstop for the gap that can fill in waterstop, then fill in foam rods until stop spillage; The spillage place is occurring and pinning the not spillage that hardens fully and stop with the sealing agent plug; If more than can't stop spillage need to stop slip casting or change the slip casting position, with the fast hard solidifying fills mortar of GJ-16, by pouring into a mould directly over the spillage place, can continue cast after 20-30 minute.
Step 2 13, roofing construction: work progress comprises the dismounting on former masonry structure roof, former roofing Wo Liang polishing and plants built-in fitting, also built-in fitting, concreting, gutter beam and the welding of roofing reinforcing steel beam of wall top Wo Liang, gutter beam and stiffening girder, the installation of roofing reinforcing steel beam of built-in fitting, formwork the pre-buried stiffening girder of pre-buried open valley beam of formwork that bolt, construction cast-in-situ concrete pier, formwork pre-buried wall push up Wo Liang.
Layer Steel Structure built-in fitting absolute altitude and plan-position should be accurate, and fixedly embedded part should have reliable and effective fixation, guarantee that the embedded part Position Control is in the allowable variation scope.During formwork erection, should avoid template directly is supported on former roof panel.
Step 2 14: scaffold is removed for the second time, completes reinforcing.
By on affecting the research of old building anti-seismic performance,, economize it reinforced how good, fast from many-sided multi-angular analysis such as design, material, construction, theoretical research and design considerationss.By being connected and roof Wo Liang, straining beam drawknot form of the connected mode from foundation pile anchoring, prefabricated units processing and fabricating, prefabricated units, prefabricated units and original building, make it to form one with the overcoat prefabricated panel and retrain original masonry, final formation science, reasonable, feasible, applicable seismic hardening technology, realized reaching national earthquake resistant level after old building is by strengthening reconstruction.

Claims (5)

1. an existing masonry residence assembled anti-knock ruggedized construction, be connected to the outside of former masonry structure metope (1), it is characterized in that: comprise the subsides wallboard (2) that each layer is corresponding with former masonry structure, divide family plate (3), balcony slab (4) and cladding panel (5), a side and the upper pre-buried bar planting of former masonry structure metope (1) that described subsides wallboard (2) is close to former masonry structure metope (1) are welded to connect, paste in the gap between wallboard (2) and former masonry structure metope (1) and fill with adhesive is arranged, described minute the family plate (3) with to paste wallboards (2) vertical and go up pre-buried bar planting with former masonry structure metope (1) and be welded to connect, beard muscle and minute family plate (a 3) top built-in fitting welding that described balcony slab (4) two ends are reserved, described balcony slab (4) is welded to connect by the beard muscle of subsides wallboard (2) one sides and the bar planting on former masonry structure metope (1), the inboard of described cladding panel (5) all is connected and fixed with the outside of minute family plate (3) and balcony slab (4),
The bottom that the first floor pastes wallboards (2.1) is connected with the basis of former masonry residence by first floor built-in fitting (10), described minute the family plate (3) both sides be provided with temporary supporting.
2. existing masonry residence assembled anti-knock ruggedized construction according to claim 1, it is characterized in that: the gap between described subsides wallboard (2) and former masonry structure metope (1) is less than 0.5cm, and described adhesive adopts the foamed glue of direct spraying; Gap between described subsides wallboard (2) and former masonry structure metope (1) is greater than 0.5cm, and it is the foam rods of 1cm~6cm and the foamed glue of spraying that described adhesive adopts diameter.
3. existing masonry residence assembled anti-knock ruggedized construction according to claim 1, it is characterized in that: the first floor divides the temporary supporting of backplate (3.1) both sides to comprise the reinforcing steel pipe, described reinforcing steel pipe reserved steel pipe hole from minute family plate penetrates, from the first piece minute family plate is installed, every subsides wallboard in place is used the reinforcing steel pipe to penetrate the steel pipe hole and use the snap lock jail, form successively integral body, it is whole that ground diagonal brace steel pipe (7) becomes with reinforcing steel pipe (6) drawknot that penetrates minute family plate.
4. existing masonry residence assembled anti-knock ruggedized construction according to claim 1 is characterized in that: scaffolding steel pipe (11) is through window opening and the former walls with brick masonry structure drawknot of cladding panel self.
5. existing masonry residence assembled anti-knock ruggedized construction according to claim 3, it is characterized in that: the temporary supporting of minute family plate (3.2) both sides more than two layers is reinforced and is comprised reinforcing steel pipe (6) and drawknot steel pipe (12), described reinforcing steel pipe (6) reserved steel pipe hole (13) from minute family plate penetrates, every subsides wallboard in place is used reinforcing steel pipe (6) to penetrate steel pipe hole (13), and it is firm with an end lock of drawknot steel pipe (12) to reinforce steel pipe (6) with buckle (14), the other end of drawknot steel pipe (12) connects one section short steel pipes (15) by buckle (14), described short steel pipes (15) is connected with the surperficial full weld of pre-embedded steel slab (17) that is installed with expansion bolt (8) in former masonry structure metope (1), form successively whole.
CN 201320387913 2013-07-02 2013-07-02 Existing masonry building assembled type anti-seismic reinforcing structure Expired - Lifetime CN203347258U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108798059A (en) * 2018-06-23 2018-11-13 北京房修建筑工程有限公司 A kind of old masonry seismic reinforcing structure and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108798059A (en) * 2018-06-23 2018-11-13 北京房修建筑工程有限公司 A kind of old masonry seismic reinforcing structure and construction method

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