CN102359272A - Construction method for waffle slab by using veitch cylinder as hole reservation die - Google Patents
Construction method for waffle slab by using veitch cylinder as hole reservation die Download PDFInfo
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- CN102359272A CN102359272A CN201110231915XA CN201110231915A CN102359272A CN 102359272 A CN102359272 A CN 102359272A CN 201110231915X A CN201110231915X A CN 201110231915XA CN 201110231915 A CN201110231915 A CN 201110231915A CN 102359272 A CN102359272 A CN 102359272A
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Abstract
The invention provides a construction method for a waffle slab by using a veitch cylinder as a hole reservation die, which comprises the following steps of: (1) setting up a support frame and mounting a template on the support frame; (2) setting a datum line of the veitch cylinder and a positioning line of a beam steel; (3) mounting a veitch cylinder base according to the datum line; (4) binding a reinforcing steel bar according to the positioning line of the beam steel; (5) mounting a cylinder body of the veitch cylinder; (6) casting concrete and polishing and rubbing the surface of the concrete; and (7) dismantling a cover of the veitch cylinder. According to the construction method disclosed by the invention, the mounting position of the veitch cylinder can be accurately positioned; the flatness of a template surface of the waffle slab can be ensured; and conditions of slurry leakage during casting and damage to the template surface during erecting of an upper-layer structure scaffold and the like can be effectively avoided.
Description
Technical field
The present invention relates to a kind of wafer board job practices, particularly a kind of with Qi Shi tube do the to box out wafer board job practices of mould.
Background technology
Wafer board (waffle slab) is a kind of nine-squares beam hollow out floor, and the template of its use is magnificent husband's template (waffle pan).The Qi Shi tube is a kind of magnificent husband's mould plate technique, and Qi Shi tube mould mainly is made up of Up/down base, sleeve, bolt of top cover fixed and cuff six parts.
See also Fig. 1 and Fig. 2, Fig. 1 is typical a kind of wafer board floor-framing plan, and Fig. 2 is the sectional drawing of A-A position among Fig. 1.Offer numerous preformed holes 2 on the wafer board floor 1, preformed hole is all cylindric, and the nine-squares beam for gathering between preformed hole 2 holes is arranged a Qi Shi tube in district's lattice that each nine-squares beam intersects.
The construction quality of wafer board requires high, and its quality requirement is as shown in table 1:
Table 1
The Qi Shi tube install to want horizontal in a row, erect into line, the installation site deviation requires in 2mm.In addition, be intensive nine-squares beam between wafer board preformed hole hole, and deck-molding is higher, reinforcing bar is intensive, and the operating space is little, and there is cross-operation in the installation of reinforcing bar binding and Qi Shi tube, influences each other.As adopt job practices improperly, and not only can increase the difficulty that construction cost also can increase reinforcing bar binding, influence construction speed.Mainly there is following construction difficult problem in the construction of this wafer board floor:
1, the problem set up of wafer board falsework
Electronics factory building husband's board concrete to China plate face has high planeness requirement; The i.e. 3mm/3m of the 1st technical requirements in the table 1; Reach the quality requirement of strictness like this, what at first will guarantee falsework sets up quality, intensity, rigidity and stability, in case deviation appears in setting up of support; Will cause the out-of-flatness of wafer board plate face, and then reduce whole construction quality.
2, the problem of wafer board template installation
After falsework was set up completion, ensuing operation was the lumps of wood to be installed and template is laid, but after the template installation and the wafer board concreting planeness of accomplishing the rear pattern plate face but be difficult to guarantee.
3, wafer board reinforcement installation problem
In the wafer board for gather in length and breadth to nine-squares beam, the space between the nine-squares beam is very little, how to guarantee so intensive nine-squares beam reinforcement installation quality, and guarantees that it is that problem to be solved is arranged that the reinforcement installation position does not influence accurately that ensuing Qi Shi tube installs.
4, wafer board Qi Shi tube installation question
Because the installation requirement of Qi Shi tube is horizontal in a row, erect into line, thereby its location, installation site is difficult, and stack shell tilts easily when concreting, thereby the Qi Shi tube is caused damage, the concrete Qi Shi tube inwall that also bleeds easily pollutes.
5, wafer board concrete curing and finished product protection problem
Wafer board concreting because all are the circular holes that gather on the floor, can't realize water storing conservation after accomplishing, and how wafer board being carried out concrete maintenance is a difficult point.Will set up the full hall of floor scaffold in addition on the wafer board, how carry out finished product protection, prevent that the wafer board surface is not destroyed, also be a difficult point.
Summary of the invention
The purpose of this invention is to provide a kind of with Qi Shi tube do the to box out wafer board job practices of mould, can't assurance to solve existing wafer board job practices plate surface evenness, reinforcing bar and Qi Shi tube difficult installation, Qi Shi tube damage and the inadequate problem of wafer board finished product protection in work progress easily.
The present invention proposes that a kind of may further comprise the steps: bracing frame is set up in (1) with Qi Shi tube do the to box out wafer board job practices of mould, and on bracing frame mounting template; (2) Qi Shi tube reference line and beam steel position line are set; (3) according to reference line Qi Shi tube base is installed; (4) according to the assembling reinforcement of reinforcing bar position line; (5) Qi Shi tube cylindrical shell is installed; (6) concreting, and it is flat that concrete surface is received tarry matter; (7) remove Qi Shi tube cover.
Further, support frame as described above is the bowl fastening type scaffold.
Further, also comprise step afterwards in step (1): an above lumps of wood is set at the template back arris place, and the said lumps of wood evenly discharges, the interfacial level consistent size.
Further, also comprise step afterwards in step (1): seal up adhesive waterproof tape at the template edge joint position.
Further, in step (3), the base of Qi Shi tube is fixed on the template through 8 supporting screws.
Further, step (5) may further comprise the steps: (51) are placed in sleeve on the base, and top cover is covered on sleeve; (52) adopt a screw rod to pass the center of top cover, sleeve, and screw in the nut of center.
Further, also further comprise step afterwards in step (5): the place attaches water-proof putty in slit, Qi Shi tube top cover edge.
Further, in the step (6), concrete divides two-layer first after-pouring.
Further, also further comprise step afterwards in step (7): (8) are to wafer board concrete surface coverage geotextiles water seasoning, and the covering layer of plastic film is preserved moisture.
Further, also further comprise step afterwards in step (8): veneer is laid in (9) on the wafer board concrete surface.
With respect to prior art, the invention has the beneficial effects as follows:
1, wafer board falsework of the present invention adopts the bowl fastening type scaffold, thereby guarantees the planeness of wafer board lower bolster support.
2, job practices of the present invention adopts instruments such as level gauge, laser operating level meter to carry out the absolute altitude control in the concrete pouring construction in concreting process and after building completion, has effectively guaranteed the planeness of template face.
3, the present invention is provided with Qi Shi tube reference line and beam steel position line in advance, thereby has guaranteed the installation quality of laid reinforcement binding quality and Qi Shi tube, makes the installation of Qi Shi tube horizontal in a row, erects into line.
4, job practices of the present invention is installed back employing adhesive waterproof tape with template edge joint position envelope in fact in template, has effectively avoided spillage.
5, the present invention fills up the slit with putty at Qi Shi tube cover place, has effectively avoided the concrete spillage to pollute Qi Shi tube inwall.
6, the present invention lays one deck geotextiles on the concrete floor face after wafer board is built completion, and moisture-keeping maintaining rewaters.
7, the present invention completely spreads veneer on the wafer board concrete surface, thereby when the wafer board superstructure is set up scaffold, has effectively protected wafer board concrete surface and Qi Shi tube not to be destroyed.
Description of drawings
Fig. 1 is typical a kind of wafer board floor-framing plan;
Fig. 2 is the sectional drawing of A-A position among Fig. 1;
Fig. 3 for the present invention with Qi Shi tube do to box out a kind of embodiment flow chart of wafer board job practices of mould;
Fig. 4 for the present invention with Qi Shi tube do the to box out another kind of embodiment flow chart of wafer board job practices of mould.
The specific embodiment
Below in conjunction with accompanying drawing, specify the present invention.
See also Fig. 3, its for the present invention with Qi Shi tube do to box out a kind of embodiment flow chart of wafer board job practices of mould, it may further comprise the steps:
S301 sets up bracing frame, and on bracing frame mounting template.
Bracing frame is preferentially selected the bowl fastening type scaffold for use, and speed of application is fast, bearing capacity is high, can guarantee the wafer board planeness; Chock will be placed steadily under the vertical rod, and jacking will be by after the absolute altitude backguy leveling main joist being installed; Vertical rod is wanted vertically, has crooked vertical rod to proofread and correct, crooked must not use greater than 20mm; The preferential pair steel pipes that adopt of main joist, joint location should stagger, and steel pipe must be straight.
It is consistent that the template thickness that adopts is wanted, and template should be avoided exposing to the sun and rain, in order to avoid buckling deformation.The template piece is not too much, in order to avoid spillage causes wafer board bottom surface concrete pitted skin to occur.The template piece can not be too tight, the easy buckling deformation in order to avoid template is expanded with heat and contract with cold, every shrinkage joint of on template, reserving 2-3mm at a distance from 30m.Should check its planeness immediately after the template of the intact construction section in every shop, can not adjust again later on because template check smooth after, because of the template easy deformation of exposing to the sun and rain, can cause as adjusting again that the template planeness is empty puts down.After the template installation, need the cleaning template surface, guarantee the existence of thing or other any protrusions firmly such as the no iron nail in surface, no sand grains, no concrete.
S302 is provided with Qi Shi tube reference line and beam steel position line.
The beam of wafer board floor is the dark beam of well word.The lower bottom base position accurately is a link of decision Qi Shi tube position accuracy most critical; Therefore, eject control line earlier according to design drawing setting-out on construction formwork, the bullet line of ink marker; Eject Qi Shi tube reference line and nine-squares beam reinforcing bar position line as benchmark, and conscientiously check.
S303 installs Qi Shi tube base according to reference line.
Before assembling reinforcement, the Up/down base of Qi Shi tube is installed earlier.The accurate installation of lower bottom base is that Qi Shi tube position is crucial accurately, therefore, load base in strict accordance with reference line Laian County, with the requirement that guarantees that the Qi Shi tube is horizontal in a row, erect into line.
Qi Shi tube lower bottom base preferably adopts 8 supporting screws to be fixed on the template, and screw will be screwed in the template with screwdriver, and unavailable hammer is directly squeezed into, so as not to when split bolt is installed with the base pull-up.Upper and lower base is to mate each other, and upper bed-plate only need directly be buckled on the lower bottom base and get final product
S304 is according to the assembling reinforcement of reinforcing bar position line.
After installation of Qi Shi tube base and the examination; Can carry out reinforcing bar binding; During reinforcing bar binding should by earlier vertically, horizontal again principle progressively advances without any confusion, laid reinforcement binding is in proper order: main beam main tendon colligation → secondary beam reinforcing bar binding → nine-squares beam reinforcing bar binding → beam waist muscle colligation → inspection of steel reinforcement bars is checked and accepted.
In the reinforcing bar binding process, the constructor can not arbitrarily trample Qi Shi tube base, and the beam steel position will guarantee the thickness of beam side reinforced concrete protective layer in strict accordance with playing to such an extent that position line comes colligation on the template, simultaneously, guarantees the smooth installation of Qi Shi tube cylindrical shell.In the process of reinforcing bar processing, want strict control, guarantee that the beam stirrup blanking is accurate, can not arbitrarily strengthen.
S305 installs Qi Shi tube cylindrical shell.
Can begin Qi Shi tube cylindrical shell after the acceptance(check) of nine-squares beam reinforcing bar installs.Before Qi Shi tube cylindrical shell was installed, it was firm to guarantee that its base and template should lock, loosening as finding to have, and locked again after should base being removed angle of rotation.The fastening of Qi Shi tube is the center of passing top cover, Up/down base and cylindrical shell with supporting screw rod, screws the nut of center so that cylindrical shell is fastening.Split bolt will be tightened, and guarantees firm being fixed on the base of Qi Shi tube.Qi Shi tube cylindrical shell should in time be changed if deform or breakage, must not use.To check Qi Shi tube tube top mark height with level gauge after the installation of Qi Shi tube, to indivedual absolute altitude deviations bigger to carry out the analysis of causes, local then the accent.
S306, concreting, and it is flat that concrete surface is received tarry matter.
Concrete must use material distributing machine to build, and concrete slump is controlled at 140 ± 20mm, and the concrete initial set time is controlled at about 6-8h.
Before the wafer board casting and compacting of concrete, whether inspection lid edge slit is real with the putty envelope, avoids in the process of building cement paste to flow in the Qi Shi tube or causes barrel to pollute.Can divide two-layer watering to smash to wafer board, squeeze askewly in case the one-time-concreting concrete lateral pressure is crossed senior general Qi Shi tube, the time interval that the concrete levels combines must not surpass the initial setting time, avoids forming cold seam.Vibrating head must not arbitrarily vibrate Qi Shi tube stack shell during vibrated concrete, in case the distortion of Qi Shi tube, damage or off normal.Concreting pump line discharging opening should be provided with baffle plate, must not directly impact the Qi Shi tube.The concrete pump line should be located on the interim construction passage that is laid to the lumps of wood, template, and pad rubber tyre vibration damping, must not directly ride on the wafer board reinforcing bar, in order to avoid damage the Qi Shi tube.The base of material distributing machine also should be located on the platform that is barricaded as with flitch and template.
In concreting process and after building end; Can adopt instruments such as level gauge, laser operating level meter to carry out the absolute altitude control in the concrete pouring construction, construction process goes into mould for the flat equipment → concrete of debugging behaviour and vibrates → and floating rule levelling, make up a deficiency → sanding machine is just flat proposes slurry → final set receipts light → maintenance.Wherein, concrete surface is received the flat the following aspects that comprises of tarry matter:
1) adopt the laser operating level meter that concrete finished surface planeness is controlled.
2) concreting limit in limit paves, and vibrates in the limit, and wipe off with floating rule on the limit.
When 3) treating concrete near initial set; The people station steps down in when having only about 3mm dark footprint above the concrete; Grind pressure with sanding machine according to building direction, surperficial screed is rubbed with the hands beaten evenly (carrying slurry), and then the bossed concrete surface in part is wipeed off with the long floating rule of 3-5m.Pay special attention to the planeness of privileged sites such as pillar root, expansion reinforcing band edge.
4) carry out both direction receipts light in length and breadth with plasterer's trowel before the final set, guarantee concrete surface fineness, do not stay and smear trace.
In addition; Because operations such as support, template, reinforcing bar binding, Qi Shi tube location have been controlled in strictness; Can guarantee that Qi Shi tube top cover face is unified with design concrete floor absolute altitude; Then build in the process except above-described absolute altitude control, also must be noted that with the benchmark of Qi Shi tube top cover face as the control of concreting absolute altitude.In receiving photoreduction process, to note the concrete processing in Qi Shi tube top cover edge especially, emphasis is controlled following link:
1) paving, will note the smooth of Qi Shi tube lid periphery 50cm inner concrete face and top cover face height in the strickling process, specialty is received the light workman and is wanted emphasis that each Qi Shi tube periphery is carried out meticulous smooth receipts light.
2) for Qi Shi tube lid periphery, carry out the smooth receipts light of thin portion with plasterer's trowel, smear pressure from concrete surface to the top cover direction; At any time use cotton yarn wiping top cover; Guarantee that the top cover face does not have concrete aggregate, slurries thickness can not surpass 1mm, thereby guarantees smooth receipts light effect.
3) carry in slurry compacting, the flattening course with sanding machine during initial set, also want special messenger's tracking, handle blocked up slurries of each top cover face and concrete aggregate.
S307 removes Qi Shi tube cover.
The time that cover is removed is too early unsuitable, otherwise is prone to cause the few angle of an edge concrete truncation.Build concrete about 12 hours, removed Qi Shi tube top cover.When removing cover, beat cover gently, the putty on the cover, the cement paste of sclerosis are become flexible, with spanner the Screw arbor with nut at both-ends at cover center is back-outed then, open cover with hammer.Cover and Screw arbor with nut at both-ends can have enough to meet the need utilization, and therefore, the cover of taking off out will be cleaned out, Screw arbor with nut at both-ends wants colligation bundled, pile up neat.
Even taked above measure, after Qi Shi tube top cover is removed, unavoidable minority tube edge out-of-flatness, jagged, to polish with sand paper after the deburring, the usefulness that surpasses 3mm adds the cement paste of 108 glue to be made up a deficiency, and uses sand papering again.
See also Fig. 4, its for the present invention with Qi Shi tube do the to box out another kind of embodiment flow chart of wafer board job practices of mould, it may further comprise the steps:
S401 sets up bracing frame, and on bracing frame mounting template.
S402 is provided with an above lumps of wood at the template back arris place, and the said lumps of wood evenly discharges, the interfacial level consistent size.
Template back arris can adopt 50 * 100 China fir sides, evenly discharge, and it is consistent that the depth of section size is wanted, and Deviation Control requires the lumps of wood must not use bending, rotten, the lumps of wood that scabs in 1mm, and moisture content must not be greater than 25%.Lumps of wood back cord spacing should not be too big under the template, in order to avoid in the distortion of wafer board weight lower bolster, generally be controlled between the 150-200mm.
S403 seals up adhesive waterproof tape at the template edge joint position.
The template piece is tight, smooth, the template installation and adjust absolute altitude after can seal the template slit with adhesive waterproof tape, prevent spillage.
S404 is provided with Qi Shi tube reference line and beam steel position line.
S405 installs Qi Shi tube base according to reference line.The base of Qi Shi tube can be fixed on the template through 8 supporting screws.
S406 is according to the assembling reinforcement of reinforcing bar position line.
S407 installs Qi Shi tube cylindrical shell.Earlier sleeve is placed on the base, and top cover is covered on sleeve; Adopt a screw rod to pass the center of top cover, sleeve then, and screw in the nut of center.
S408, the place attaches water-proof putty in slit, Qi Shi tube top cover edge.
S409, concreting, and it is flat that concrete surface is received tarry matter.Concrete can divide two-layer first after-pouring.
S410 removes Qi Shi tube cover.
S411, to wafer board concrete surface coverage geotextiles water seasoning, and the covering layer of plastic film is preserved moisture.Curing time is 14 days.
S412 lays veneer on the wafer board concrete surface.
Before wafer board superstructure scaffold building, on the wafer board concrete surface, completely spread veneer, protection wafer board concrete surface and Qi Shi tube are not destroyed.
Of the present invention high with Qi Shi tube do the to box out wafer board job practices construction quality of mould; Not only can accurately locate the installation site of Qi Shi tube; And can guarantee the planeness of wafer board template face, and effectively avoid spillage, situation such as destruction in the process of building to take place to the template face when setting up the superstructure scaffold.
More than disclosedly be merely several specific embodiment of the present invention, but the present invention is not limited thereto, any those skilled in the art can think variation, only otherwise exceed the said scope of appended claims, all should drop in protection scope of the present invention.
Claims (10)
1. one kind with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that, may further comprise the steps:
(1) set up bracing frame, and on bracing frame mounting template;
(2) Qi Shi tube reference line and beam steel position line are set;
(3) according to reference line Qi Shi tube base is installed;
(4) according to the assembling reinforcement of reinforcing bar position line;
(5) Qi Shi tube cylindrical shell is installed;
(6) concreting, and it is flat that concrete surface is received tarry matter;
(7) remove Qi Shi tube cover.
2. as claimed in claim 1 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that support frame as described above is the bowl fastening type scaffold.
3. as claimed in claim 1 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that also comprise step afterwards in step (1): an above lumps of wood is set at the template back arris place, and the said lumps of wood evenly discharges, the interfacial level consistent size.
4. as claimed in claim 1ly it is characterized in that, also comprise step afterwards in step (1): seal up adhesive waterproof tape at the template edge joint position with Qi Shi tube do the to box out wafer board job practices of mould.
5. as claimed in claim 1 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that in step (3), the base of Qi Shi tube is fixed on the template through 8 supporting screws.
6. as claimed in claim 1 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that step (5) may further comprise the steps:
(51) sleeve is placed on the base, and top cover is covered on sleeve;
(52) adopt a screw rod to pass the center of top cover, sleeve, and screw in the nut of center.
7. as claimed in claim 6 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that also further comprise step afterwards in step (5): the place attaches water-proof putty in slit, Qi Shi tube top cover edge.
8. as claimed in claim 1 with Qi Shi tube do the to box out wafer board job practices of mould, it is characterized in that in the step (6), concrete divides two-layer first after-pouring.
9. as claimed in claim 1ly it is characterized in that, also further comprise step afterwards in step (7) with Qi Shi tube do the to box out wafer board job practices of mould:
(8) to wafer board concrete surface coverage geotextiles water seasoning, and the covering layer of plastic film is preserved moisture.
10. as claimed in claim 9ly it is characterized in that, also further comprise step afterwards in step (8) with Qi Shi tube do the to box out wafer board job practices of mould:
(9) on the wafer board concrete surface, lay veneer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110231915XA CN102359272A (en) | 2011-08-15 | 2011-08-15 | Construction method for waffle slab by using veitch cylinder as hole reservation die |
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| CN201110231915XA CN102359272A (en) | 2011-08-15 | 2011-08-15 | Construction method for waffle slab by using veitch cylinder as hole reservation die |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567463A (en) * | 2016-11-10 | 2017-04-19 | 上海宝冶集团有限公司 | Waferboard construction joint mortar leakage prevention construction method |
| CN106639100A (en) * | 2016-12-26 | 2017-05-10 | 江苏建筑职业技术学院 | Hollow array type cylinder concrete thick plate construction method |
| CN107023104A (en) * | 2017-06-05 | 2017-08-08 | 中建八局第建设有限公司 | A kind of wafer board construction technology for clean room |
| CN107130796A (en) * | 2017-06-05 | 2017-09-05 | 中建八局第建设有限公司 | A kind of clean room wafer board flatness control methods |
| CN108331228A (en) * | 2018-02-05 | 2018-07-27 | 吴士传 | Construction technology for electronic workshop ventilation waffle bucket |
| CN108643432A (en) * | 2018-05-02 | 2018-10-12 | 成都建筑工程集团总公司 | Electronic chip workshop wafer board structure construction engineering method |
| CN108756035A (en) * | 2018-05-31 | 2018-11-06 | 上海宝冶集团有限公司 | A kind of waffle board construction method that whole cylinder is removable |
| CN110805206A (en) * | 2019-11-20 | 2020-02-18 | 上海宝冶建筑工程有限公司 | Stirrup construction method and device for arc-shaped shear wall hidden column |
| CN112627507A (en) * | 2020-12-11 | 2021-04-09 | 上海宝冶集团有限公司 | Method for building ultrahigh special-shaped waffle slab |
| CN113863740A (en) * | 2021-11-08 | 2021-12-31 | 世源科技工程有限公司 | Floor construction method and floor |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567463B (en) * | 2016-11-10 | 2019-03-15 | 上海宝冶集团有限公司 | Wafer board construction joint mortar leakage prevention construction method |
| CN106567463A (en) * | 2016-11-10 | 2017-04-19 | 上海宝冶集团有限公司 | Waferboard construction joint mortar leakage prevention construction method |
| CN106639100A (en) * | 2016-12-26 | 2017-05-10 | 江苏建筑职业技术学院 | Hollow array type cylinder concrete thick plate construction method |
| CN106639100B (en) * | 2016-12-26 | 2019-02-05 | 江苏建筑职业技术学院 | Hollow array cylinder Concrete Thick board construction method |
| CN107023104A (en) * | 2017-06-05 | 2017-08-08 | 中建八局第建设有限公司 | A kind of wafer board construction technology for clean room |
| CN107130796A (en) * | 2017-06-05 | 2017-09-05 | 中建八局第建设有限公司 | A kind of clean room wafer board flatness control methods |
| CN108331228A (en) * | 2018-02-05 | 2018-07-27 | 吴士传 | Construction technology for electronic workshop ventilation waffle bucket |
| CN108643432A (en) * | 2018-05-02 | 2018-10-12 | 成都建筑工程集团总公司 | Electronic chip workshop wafer board structure construction engineering method |
| CN108756035A (en) * | 2018-05-31 | 2018-11-06 | 上海宝冶集团有限公司 | A kind of waffle board construction method that whole cylinder is removable |
| CN110805206A (en) * | 2019-11-20 | 2020-02-18 | 上海宝冶建筑工程有限公司 | Stirrup construction method and device for arc-shaped shear wall hidden column |
| CN110805206B (en) * | 2019-11-20 | 2021-09-17 | 上海宝冶建筑工程有限公司 | Stirrup construction method and device for arc-shaped shear wall hidden column |
| CN112627507A (en) * | 2020-12-11 | 2021-04-09 | 上海宝冶集团有限公司 | Method for building ultrahigh special-shaped waffle slab |
| CN113863740A (en) * | 2021-11-08 | 2021-12-31 | 世源科技工程有限公司 | Floor construction method and floor |
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Application publication date: 20120222 |