CN102127968A - Method for grouting floor slab bushing hole reservation preembedding die and grouting die - Google Patents
Method for grouting floor slab bushing hole reservation preembedding die and grouting die Download PDFInfo
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- CN102127968A CN102127968A CN 201110008641 CN201110008641A CN102127968A CN 102127968 A CN102127968 A CN 102127968A CN 201110008641 CN201110008641 CN 201110008641 CN 201110008641 A CN201110008641 A CN 201110008641A CN 102127968 A CN102127968 A CN 102127968A
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- floor
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- standpipe
- sleeve pipe
- sleeve
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- 238000000034 method Methods 0.000 title abstract description 15
- 238000010276 construction Methods 0.000 claims abstract description 38
- 238000009415 formwork Methods 0.000 claims description 25
- 238000009408 flooring Methods 0.000 claims description 11
- 239000011440 grout Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 238000007796 conventional method Methods 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 206010057071 Rectal tenesmus Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 208000012271 tenesmus Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention relates to a method for grouting a floor slab bushing hole reservation preembedding die and a die thereof. The method comprises the following steps of: (1) positioning a hole before the concrete casting construction of a floor slab; (2) preserving a hole during the concrete casting construction of the floor slab; (3) mounting a vertical tube in the preserved hole and primarily mounting a bushing; and (4) fixing the bushing on the floor slab and plugging a gap between the bushing and the vertical tube. The die comprises a snap gauge cylinder and a planar template fixed at the top of the snap gauge cylinder, and an inclined bracing plate fixed at a wrapping plate of the vertical tube is arranged below the planar template. The invention solves the problem of die supporting and fixing in hole grouting, the provided planar template can be favorably attached with the bottom surface of the floor slab so that the hole is compactly sealed, and the mounting quality and the requirements of use functions are ensured. The invention can improve work efficacy, ensure construction quality, reduce reworking and, ensure that the pipeline and the bushing are vertically and straightly mounted without barriers or bending and with even and straight verticality and has the advantages of convenience in operation, stability, rapidness and cost saving.
Description
Technical field
The present invention relates to construction techniques and mould thereof, particularly building floor sleeve pipe hole set aside pre-embedded mould grouting method and mould thereof, but the indoor riser tube floor of extensive use is provided with the installation of sleeve pipe.
Background technology
At present, the mounting method that high-story house architecture indoor riser tube of the prior art generally adopts is to carry out ordinary casing hole set aside pre-embedded at floor earlier, carrying out standpipe again installs, a kind of obligate pore construction method for construction floor is disclosed as Chinese patent application 200810231783.9, this method comprises the cleaning of limit, hole, mounting sleeve, installation bed die, cast compensate for shrinkage concrete, retaining test, smear technology such as water-proof leveling mortar, wherein seal ring has been installed at the sleeve pipe middle part, increased the sealing path, greatly hindered water and permeated from the slit between sleeve pipe and the concrete; And concrete adopts than the higher leveled microdilatancy fine-stone concrete of former concrete strength, compensated the shrinkage crack of concrete, and it is tightr that this position concrete is connected with former concrete, prevents that sealing permeates from the slit between the old and new's concrete; The plate top 20mm that reserves, at the bottom of the plate 10mm groove mend with waterproofing mortar flat, effectively anti-sealing from the concrete internal penetration to plate at the bottom of.This invention declares to make floor to reach effect from the waterproof leakproof at this position.But still there is following problem in this patent application:
1, when multilayer building is installed the standpipe construction operation, because installing substep, its reserving hole and sleeve pipe carry out, carrying out sleeve pipe on the basis of existing reserving hole again installs, and definite locate mode of this reserving hole is only to rely on constructor's experience to be determined in the work progress, do not determine the location benchmark, hole set aside pre-embedded position is not accurately located, the size of hole has only been carried out general estimation, cause layer inaccurate with the unavoidable position of construction hole to be provided of interlayer, desaxe, cause the position and the size of floor sleeve hole set aside pre-embedded inaccurate easily, carry out standpipe at next step, sleeve pipe causes lower standing tube to dock when installing, install, need to revise earlier and reserve the hole, usually need repair cutter to multilayer floor hole, some local location may need to repair repeatedly cutter.As with standpipe with when wearing the flooring sleeve pipe and installing in the lump, unavoidably need carry out back-grouting, firm sleeve pipe operation, efficiency of construction is low, and consumption is more man-hour, recurrent quality problems in the installation process.
2, because reserving hole construction does not organically combine with to the accurate location of hole location and size with the construction of floor, cause the pre-buried hole location displacement of each floor sleeve pipe excessive, it is big to repair the cutter area, the difficulty of filling-up hole is big, the filling-up hole construction needs to adopt the template shutoff usually, and do not provide the mould that is specifically designed to floor sleeve hole grouting construction in the prior art, formwork shutoff temporarily, this interim supporting way is stressed not good at the enforcement casting process, when stirring real reinforcing in the casting process, the unstable phenomenon of formwork appears easily, cause the tenesmus of concrete slurry even reveal slurry, must carry out secondary and repair cutter, and thisly repair cutter job execution operation and can't adapt to the pipeline construction that is arranged on the corner usually, but the position of most of standpipes normally is arranged on the corner, do not provide and repair the cutter working space, can't repair cutter, increase new quality problems, even influence the examination of construction quality and impression.
3, owing to need to adopt seal ring, in use method is improper during improper or concrete construction because of the installation site etc. that reason causes breakage for it, very easily cause and leak, and for the water string of band seal ring, not watering mode after its relevant installation specification regulation does not allow to adopt, can only be that remedial measure is remedied mode.
4, must adopt the higher microdilatancy fine-stone concrete of intensity to pour into a mould, and commonly wear general only employing of flooring sleeve pipe and get final product, increase cost with strong pea gravel concreten perfusion such as flooring.
In sum, floor sleeve hole set aside pre-embedded mould grout construction method of the prior art needs further to improve.
Summary of the invention
The object of the present invention is to provide a kind of floor sleeve hole set aside pre-embedded mould grout construction method, it can accurately be located hole location and size, avoid repairing repeatedly cutter, make pipeline, sleeve pipe install without hindrance, do not have crooked, vertical straight and even purpose, effectively improve work efficiency, guarantee construction quality, and it is easy to operate, safe quick, save cost, simple and practical.
Another object of the present invention is to provide a kind of floor sleeve hole set aside pre-embedded grouting mould, it can be used to implement said method, and simple in structure, and is easy to operate.
Technical scheme of the present invention is:
A kind of floor sleeve hole set aside pre-embedded mould grout construction method is characterized in that: carry out according to the following steps:
Step 1: before the floorslab concrete pouring construction, hole is located;
Step 2: reserving hole when floorslab concrete pouring is constructed;
Step 3: carry out in reserving hole that standpipe is installed, sleeve pipe is just adorned;
Step 4: sleeve pipe is fixed on the floor gap between shutoff sleeve pipe and standpipe.
As to further improvement of the present invention, described step 1 is according to the standpipe installation site of setting, and is central point and the size that benchmark is determined reserving hole with post beam position on mounted flooring soffit formwork.
As to further improvement of the present invention, described step 2 is: the reserving hole mould is fixing on the flooring soffit formwork, and the cast floorslab concrete forms reserving hole.
As to further improvement of the present invention, described step 3 is: outside sleeve pipe, be provided with level, with the bridge piece of floor bar overlap joint, sleeve pipe is placed in outside the standpipe, sleeve pipe and standpipe are provided with one heart and the gap between sleeve pipe and the standpipe is tamped by packing material, again sleeve pipe is positioned in the reserving hole on the floor.
As to further improvement of the present invention, described step 4 is that the steel bar end welding at bridge piece outside the sleeve pipe and floor reserving hole place is fixing, underfloor between sleeve pipe and reserving hole is provided with the mould of shutoff reserving hole, and carries out fluid concrete according to a conventional method.
As to further improvement of the present invention, after described step 3 middle sleeve was positioned in the reserving hole on the floor, sleeve bottom was mutually concordant with floor slab bottoms, sleeve pipe top 20mm above ground level at least.
A kind of floor sleeve hole set aside pre-embedded grouting mould, it is characterized in that: it is made up of snap gauge cylindrical shell and the flat formwork that is fixed in snap gauge cylindrical shell top, described snap gauge cylindrical shell comprises two blocks of standpipe parcel plates that are combined into hollow cylindrical shell and the snap ring connectors that two standpipe parcel plate opening-closing type clips are fixed, described flat formwork comprises that two are individually fixed on two blocks of standpipe parcel plates and seamless spliced flat formwork, and described flat formwork below is provided with is fixed in the outer oblique fagging of standpipe parcel plate.
As to further improvement of the present invention, described standpipe parcel plate is that inner concave is the arc of arc surface, and the hollow cylindrical shell that described arc constitutes satisfies clip, and to be fixed in internal diameter be DN65mm, DN100mm and any pipeline needs of DN150mm.
As to further improvement of the present invention, the thickness of described flat formwork is 3-5mm.
Beneficial effect of the present invention is:
The present invention has overcome prior art neutral tube, the installation of sleeve pipe, the shortcoming that the construction of reserving hole does not organically combine on floor, the construction of reserving hole construction with floor organically combined, realized accurate location to hole location and size, sleeve pipe more of the prior art is directly imbedded in the floorslab concrete or the box out method of expanded hole not, the present invention can press the size of standpipe and sleeve pipe, enlarges reserving hole in proportion as the adjusting play.Method of the present invention has the following advantages:
1, can accurately locate hole, the floor offset error is excessive about avoiding, and avoids repairing cutter;
2, standpipe, sleeve pipe and reserving hole are provided with one heart, between the three that rational diameter is set is poor, conveniently carry out regulating within the specific limits when standpipe is installed the horizontal level of standpipe in reserving hole, not having any obstruction ground when standpipe is installed passes through from each floor plate, sleeve pipe can be got the raw materials ready by the configuration of floor sections simultaneously, the limit is installed the standpipe limit and is pressed floor installing sleeve pipe, when installing, can in reserving hole, all around move up and down by sleeve pipe, can be by being fixed again behind the leveling centering, accurate to guarantee the installation site;
3, sleeve pipe is irritated in the concrete work progress at floor and promptly is fixed on the floor, job specification, and operate miss is little, and the end play shutoff operation between standpipe, the sleeve pipe is undertaken by standard;
4, flooring smooth surface after construction is finished, each several part is in conjunction with good, and outward appearance is good;
5, need not to repair cutter, the structure that can avoid repairing cutter operation influence and destroy building.
Method of the present invention in a word can effectively improve work efficiency, guarantees construction quality, and minimizing is done over again, and avoids set aside pre-embedded hole method because of dislocation, the inaccurate defective that need repair the cutter flooring of reservation, avoids expending a large amount of man power and materials.Method of the present invention can make work progress that Zhang Youxu, unified pattern, environmental protection construction are arranged, reach pipeline, ordinary casing install without hindrance, do not have crooked, a vertical straight and even purpose.
But floor sleeve hole set aside pre-embedded grouting mould clip provided by the present invention is fixed in outside the standpipe, its template becomes the flat board of shutoff reserving hole bottom surface, mould support fixation problem when having solved hole grouting, the flat board that is provided is axially vertical with the institute pipe laying, good and the soffit applying of energy, make hole carry out fluid concrete smoothly, by closely knit sealing, to guarantee the requirement of installation quality and function of use.This Mould operation is convenient, and is safe quick, saves cost, simple and practical.The diameter of snap gauge cylindrical shell is made according to different standpipe external diameters, and a cover snap gauge is suitable for a kind of standpipe caliber, the restriction that its scope is not installed by pipeline on floor.
Description of drawings
The present invention is further described below in conjunction with accompanying drawing
Fig. 1 is a cover pipe mounting structure schematic front view of the present invention;
Fig. 2 is a cover pipe mounting structure signal A-A sectional view of the present invention;
Fig. 3 is a grouting mould structure schematic front view of the present invention;
Fig. 4 is a grouting mould user mode structural representation front view of the present invention;
Fig. 5 is a grouting mould structure signal B-B sectional view of the present invention.
Among the figure:
1-standpipe, 2-sleeve pipe, 3-bearing bar, 4-floor, 5-snap gauge cylindrical shell, 6-oblique fagging, 7-opening-closing type snap ring, 8-flat formwork, 9-gap, the grouting of 10-fine-stone concrete, 11-bolt.
The specific embodiment
The invention will be further described below in conjunction with embodiment:
Embodiment 1:
Floor sleeve hole set aside pre-embedded grouting mould, extremely shown in Figure 5 as Fig. 1, its structure is: be made up of snap gauge cylindrical shell 5 and the flat formwork 8 that is fixed in snap gauge cylindrical shell top, snap gauge cylindrical shell 5 is to be the bending arc of the thin plate of 3mm by thickness S, comprise two blocks of standpipe parcel plates that are combined into hollow cylindrical shell and the snap ring connectors that two standpipe parcel plate opening-closing type clips are fixed, the snap ring connector is opening-closing type snap ring 7, the flat formwork 8 at snap gauge cylindrical shell top is to be that the steel plate of 4mm is made by required size with thickness S, comprise that two are individually fixed on two blocks of standpipe parcel plates and seamless spliced flat formwork, flat formwork 8 belows are adopted the band steel of 40 * 4mm to reinforce as 6 pairs of flat formworks of oblique fagging 8 and are supported, each unit construction is welded into integral body, and the diameter of snap gauge cylindrical shell 5 satisfies clip and is fixed in the needs that internal diameter is the pipeline of DN150mm.
Concrete steps:
Step 1: before the floorslab concrete pouring construction, hole is located
Step 2: reserving hole when floorslab concrete pouring is constructed
The diameter that bore hole size is reserved will add ordinary casing 2 bores of regulation and suitably amplification according to standpipe 1 outside dimension, and the same vertical hole of multilayer is reserved, and runs factors such as mould displacement in the time of considering pre-buried deviation, fluid concrete.When the reserving hole mould is installed in when fixedly mounting on the flooring soffit formwork, extruding in the time of should considering fluid concrete and the impact of oscillating column pump displacement should be finished under the concrete initial set situation when pumping mode is removed.
Step 3: carry out in reserving hole that standpipe is installed, sleeve pipe is just adorned
Carry out to carry out simultaneously, closely cooperating with standpipe 1 when sleeve pipe 2 is just adorned.Standpipe 1 is installed must be through pipe arrangement, turns to reserve according to water distribution point and branch and gets rid of mouth, and pipe joint must not be located in the floor.Installing for many standpipes should be from inside outwards, and order is installed from the bottom to top, and emphasis is the direction of the water distribution point of control pipeline, and support is provided with firmly, prevents from repeatedly to rotate and is shifted and influences the location of sleeve pipe 2 and just fix.
In standpipe 1 installation process, when crossing floor, standpipe 1 notes the sleeve pipe 2 that processes being inserted in this standpipe 1 sections, and on sleeve pipe 2, be symmetrically welded two bearing bars 3, and sleeve pipe 2 directly is held on the floor 4 and wouldn't fixes.
Must carry out the measurement or the messenger wires of the verticality up and down of standpipe 1 before sleeve pipe 2 is fixing, and with support fix, sleeve pipe 2 should be center running fix with standpipe 1, the slit is consistent between assurance standpipe 1 and the sleeve pipe 2.Sleeve pipe 2 bottoms should be equal with floor 4 bottoms, and sleeve pipe 2 its tops should exceed decorative ground 20mm, and sleeve pipe 2 is fixed bearing bar 3 usefulness bar dowel heads are connected on the reinforcing bar young plant of reserving, and firm welding.Fire-retardant compact material is used and waterproofing unction tamps in the slit between sleeve pipe 2 and the standpipe 1, and end face should be smooth.
Step 4: sleeve pipe is fixed on the floor gap between shutoff sleeve pipe and standpipe
Formwork is to utilize standpipe 1 for relying on, and the snap gauge cylindrical shell 5 of floor sleeve hole set aside pre-embedded grouting mould is fixed on standpipe 1 outer wall, and flat formwork 8 upper faces hold out against floor 4 bottom surfaces, and the gap 9 that makes sleeve pipe 2 and floor 4 is fully by shutoff, fluid concrete 10.
Need to remove the concrete dirt after floor sleeve hole set aside pre-embedded grouting mould uses, brush is bought oil clearly, keeps properly, so that long-term the use.
Claims (9)
1. floor sleeve hole set aside pre-embedded mould grout construction method is characterized in that: carry out according to the following steps:
Step 1: before the floorslab concrete pouring construction, hole is located;
Step 2: reserving hole when floorslab concrete pouring is constructed;
Step 3: carry out in reserving hole that standpipe is installed, sleeve pipe is just adorned;
Step 4: sleeve pipe is fixed on the floor gap between shutoff sleeve pipe and standpipe.
2. floor sleeve hole set aside pre-embedded mould grout construction method according to claim 1, it is characterized in that: described step 1 is according to the standpipe installation site of setting, and is central point and the size that benchmark is determined reserving hole with post beam position on mounted flooring soffit formwork.
3. floor sleeve hole set aside pre-embedded mould grout construction method according to claim 2, it is characterized in that: described step 2 is: the reserving hole mould is fixing on the flooring soffit formwork, and the cast floorslab concrete forms reserving hole.
4. floor sleeve hole set aside pre-embedded mould grout construction method according to claim 3, it is characterized in that: described step 3 is: outside sleeve pipe, be provided with level, with the bridge piece of floor bar overlap joint, sleeve pipe is placed in outside the standpipe, sleeve pipe and standpipe are provided with one heart and the gap between sleeve pipe and the standpipe is tamped by packing material, again sleeve pipe is positioned in the reserving hole on the floor.
5. floor sleeve hole set aside pre-embedded mould grout construction method according to claim 4, it is characterized in that: described step 4 is that the steel bar end welding at bridge piece outside the sleeve pipe and floor reserving hole place is fixing, underfloor between sleeve pipe and reserving hole is provided with the mould of shutoff reserving hole, and carries out fluid concrete according to a conventional method.
6. floor sleeve hole set aside pre-embedded mould grout construction method according to claim 4, it is characterized in that: after described step 3 middle sleeve is positioned in the reserving hole on the floor, sleeve bottom is mutually concordant with floor slab bottoms, sleeve pipe top 20mm above ground level at least.
7. floor sleeve hole set aside pre-embedded grouting mould, it is characterized in that: it is made up of snap gauge cylindrical shell and the flat formwork that is fixed in snap gauge cylindrical shell top, described snap gauge cylindrical shell comprises two blocks of standpipe parcel plates that are combined into hollow cylindrical shell and the snap ring connectors that two standpipe parcel plate opening-closing type clips are fixed, described flat formwork comprises that two are individually fixed on two blocks of standpipe parcel plates and seamless spliced flat formwork, and described flat formwork below is provided with is fixed in the outer oblique fagging of standpipe parcel plate.
8. floor sleeve hole set aside pre-embedded grouting mould according to claim 7, it is characterized in that: described standpipe parcel plate is that inner concave is the arc of arc surface, and the hollow cylindrical shell that described arc constitutes satisfies clip, and to be fixed in internal diameter be DN65mm, DN100mm and any pipeline needs of DN150mm.
9. floor sleeve hole set aside pre-embedded grouting mould according to claim 7, it is characterized in that: the thickness of described flat formwork is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008641 CN102127968B (en) | 2011-01-17 | 2011-01-17 | Method for grouting floor slab bushing hole reservation preembedding die and grouting die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008641 CN102127968B (en) | 2011-01-17 | 2011-01-17 | Method for grouting floor slab bushing hole reservation preembedding die and grouting die |
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| Publication Number | Publication Date |
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| CN102127968A true CN102127968A (en) | 2011-07-20 |
| CN102127968B CN102127968B (en) | 2013-01-09 |
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| CN 201110008641 Expired - Fee Related CN102127968B (en) | 2011-01-17 | 2011-01-17 | Method for grouting floor slab bushing hole reservation preembedding die and grouting die |
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Cited By (17)
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| CN102337743A (en) * | 2011-07-26 | 2012-02-01 | 杭州固华复合材料科技有限公司 | Method for repairing and reinforcing pile foundations in ocean splash zones |
| CN102936954A (en) * | 2012-11-28 | 2013-02-20 | 深圳市鹏城建筑集团有限公司 | Method and structure for plugging pipeline floor hole |
| CN103062511A (en) * | 2012-12-30 | 2013-04-24 | 河北建设集团天辰建筑工程有限公司 | Processing method for preventing water leakage at contact position of polyvinyl chloride (PVC) tube and concrete floor slab |
| CN103410318A (en) * | 2013-08-09 | 2013-11-27 | 广州市住宅建设发展有限公司 | Construction method for preventing leakage of restroom tubular well |
| CN103556825A (en) * | 2013-11-14 | 2014-02-05 | 中建八局第三建设有限公司 | Construction method for reserved pipe sleeve in concrete of structural layers of high-rise building |
| CN103603492A (en) * | 2013-10-22 | 2014-02-26 | 重庆建工第三建设有限责任公司 | Process for construction of floor-penetrating pipe reserved hole |
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| CN102337743A (en) * | 2011-07-26 | 2012-02-01 | 杭州固华复合材料科技有限公司 | Method for repairing and reinforcing pile foundations in ocean splash zones |
| CN102936954A (en) * | 2012-11-28 | 2013-02-20 | 深圳市鹏城建筑集团有限公司 | Method and structure for plugging pipeline floor hole |
| CN103062511A (en) * | 2012-12-30 | 2013-04-24 | 河北建设集团天辰建筑工程有限公司 | Processing method for preventing water leakage at contact position of polyvinyl chloride (PVC) tube and concrete floor slab |
| CN103410318A (en) * | 2013-08-09 | 2013-11-27 | 广州市住宅建设发展有限公司 | Construction method for preventing leakage of restroom tubular well |
| CN103410318B (en) * | 2013-08-09 | 2016-01-20 | 广州市住宅建设发展有限公司 | Washroom pipe well water-leakage construction method |
| CN103603492A (en) * | 2013-10-22 | 2014-02-26 | 重庆建工第三建设有限责任公司 | Process for construction of floor-penetrating pipe reserved hole |
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| CN109518984A (en) * | 2019-01-09 | 2019-03-26 | 宁夏第建筑有限公司 | A kind of cast-in-situ floor reserved opening protective device and construction technology |
| CN110017404A (en) * | 2019-04-22 | 2019-07-16 | 上海建工一建集团有限公司 | Pipe sleeve fixing device for installing and its application method |
| CN110017404B (en) * | 2019-04-22 | 2024-02-13 | 上海建工一建集团有限公司 | Pipeline sleeve mounting and fixing device and application method thereof |
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| CN112681736B (en) * | 2021-01-13 | 2022-04-19 | 湖南亚鑫建设有限公司 | Building preformed hole fills auxiliary device |
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| CN114922419A (en) * | 2022-04-25 | 2022-08-19 | 中建二局第三建筑工程有限公司 | Die for plugging reserved hole with fixed pipeline and using method |
| CN114922419B (en) * | 2022-04-25 | 2024-02-27 | 中建二局第三建筑工程有限公司 | Die for plugging reserved hole with fixed pipeline and use method |
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