CN108518070B - Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover - Google Patents
Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover Download PDFInfo
- Publication number
- CN108518070B CN108518070B CN201810552817.8A CN201810552817A CN108518070B CN 108518070 B CN108518070 B CN 108518070B CN 201810552817 A CN201810552817 A CN 201810552817A CN 108518070 B CN108518070 B CN 108518070B
- Authority
- CN
- China
- Prior art keywords
- steel
- nut
- cast
- screw
- situ
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 37
- 230000002787 reinforcement Effects 0.000 title claims abstract description 31
- 230000007306 turnover Effects 0.000 title claims abstract description 21
- 239000011241 protective layer Substances 0.000 title description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 238000005452 bending Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 6
- 239000011150 reinforced concrete Substances 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 41
- 239000004567 concrete Substances 0.000 description 23
- 238000003466 welding Methods 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 8
- 239000004579 marble Substances 0.000 description 7
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000009435 building construction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 108010068370 Glutens Proteins 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000021312 gluten Nutrition 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a general fine adjustment control for turnover of a cast-in-situ plate steel bar protection layer, which comprises a wire passing screw, wherein the top of the wire passing screw is connected with a steel bar ring, the wire passing screw is connected with a first nut and a second nut, two opposite sides of the first nut are connected with a first steel fastener, the second nut is welded with a second steel fastener, and the bottom of the wire passing screw is connected with a third steel fastener. The invention has simple preparation, can obtain local materials, and can be processed on site or industrially produced. The on-site installation is simple and convenient, the support is reliable, the disassembly is quick, the construction process is simplified, and the working efficiency is improved. Through fine adjustment of the elevation of the screw cap and the fixing piece, the thickness of the reinforcement protection layer can be accurate to be millimeter, construction precision is ensured, the integral improvement of the engineering quality of the cast-in-situ reinforced concrete structure can be promoted, and the cast-in-situ reinforced concrete structure has good popularization value.
Description
Technical Field
The invention relates to the technical field of cast-in-situ slab construction, in particular to a general fine adjustment control for turnover of a cast-in-situ slab reinforcing steel bar protection layer.
Background
The thickness of the reinforcement protection layer relates to the safety of the concrete structure, relates to the bearing capacity, durability, fireproof performance and other performances of the structure, and is an important detection index in the inspection of structural entities. The annex E of the acceptance specification of the construction quality of the concrete structure engineering GB50204-2015 defines the structural part, the number of components and the inspection method for inspecting the thickness of the reinforcement protection layer, and the allowable deviation of the thickness of the longitudinal stress reinforcement protection layer of the plate component is +8, -5.
At present, the common practice of controlling the cast-in-situ slab reinforcement protection layer on a construction site is as follows: the lower part of the slab bottom rib is supported by using a mortar cushion block, a marble cushion block or a plastic cushion block; the lower part of the plate gluten is provided with a 'H' -shaped supporting iron or a 'H' -shaped reinforcing bar split heads for supporting reinforcing bars and controlling the thickness of a reinforcing bar protection layer, and the technology has a plurality of problems in practical operation.
The pad of the reinforcing steel bar mortar at the bottom of the slab has small contact area and low strength, and is easy to shift and damage under the action of load. The application technical specification of the reinforcing steel bar spacer for the concrete structure is set in the 4.1.3 th item in JGJ/T219-2010: "cement-based steel bar spacer cement mortar strength should not be lower than 20Mpa; the concrete strength of the concrete spacer should be one level higher than the concrete strength grade of the member and should not be lower than C30. The mortar cushion blocks are manufactured on site, the proportion is random, the mortar strength is generally difficult to meet the requirement, the stress is extremely easy to break, the thickness of the protective layer is out of control, and the phenomena of exposed steel bars, concrete cracks and the like are caused.
The marble cushion block has a flat and smooth surface, is difficult to bind with the steel bars firmly and is easy to slip; meanwhile, the surface of the marble is closely adhered to the template, so that the marble cannot be wrapped by cement paste, and the marble is exposed after the mold is removed, and the appearance of the component is affected; and the marble cushion blocks are mostly leftover materials of stone processing factories, the thickness is uneven, the size is different, the randomness is larger when the marble cushion blocks are used on site, and the thickness uniformity of the reinforcement protection layer is difficult to ensure.
The plastic cushion block has very insufficient strength and stability, the bearing capacity is low, and the concrete strength at the distribution position is weak; the plastic has poor binding power with concrete, no compatibility, and the contact surface is permeable to water and air, which is easy to cause component leakage and affects the safety of the main structure; the plastic cushion blocks pollute the environment and are difficult to decompose when being processed, and the plastic cushion blocks do not accord with the low-carbon, energy-saving, environment-friendly and green building concepts.
The steel bar that board upper layer reinforcing bar adopted props iron or leads to long split heads, often can trample or quantity is not enough because of self quality problem, constructor and make the reinforcing bar sag by factors such as support unstability, causes upper layer reinforcing bar protective layer thickness too big, causes the effective height of board to not reach the design requirement, causes the quality hidden danger.
The spacers for controlling the reinforcement protection layers are disposable, the consumed construction cost is quite considerable, and particularly, a large amount of reinforcement is consumed in the traditional reinforcement split heads, so that the construction cost is increased, the price of purchasing the finished reinforcement split heads is higher, and the construction input cost is about2 yuan/m 2 。
Disclosure of Invention
Aiming at the technical problems in the related art, the invention provides a general turnover fine adjustment control for a cast-in-situ plate reinforcing steel bar protection layer, which can overcome the defects in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
the utility model provides a general fine tuning control piece of cast-in-place board reinforcing bar protective layer turnover, includes logical silk screw rod, the top of logical silk screw rod be connected with the reinforcing bar ring, be connected with first nut and second nut on the logical silk screw rod, opposite both sides all are connected with steel fastener one on the first nut, welded connection has steel fastener two on the second nut, the bottom of logical silk screw rod is connected with steel fastener three.
Furthermore, the first steel firmware, the second steel firmware and the third steel firmware are L-shaped.
Further, the diameters of the first steel firmware, the second steel firmware and the third steel firmware are all 8mm.
Further, the harness cord screw is an M12 harness cord screw.
Preferably, the first nut and the second nut are both M12 nuts.
Preferably, the first and second nuts have lengths of 60mm and 40mm, respectively.
Furthermore, the steel bar ring is stuck with a reflective film.
The invention has the beneficial effects that: the turnover general steel bar protection layer fine adjustment control is utilized to replace the traditional protection layer cushion blocks and steel bar split heads, so that the deformation of the upper layer and the lower layer of the cast-in-situ slab can be accurately controlled, the thickness of the cast-in-situ slab steel bar protection layer is ensured to meet the standard, more importantly, the turnover circulation is realized, the use of different slab thicknesses is satisfied, the universality is strong, a large number of steel bars can be saved, and the manufacturing cost can be reduced by nearly 2 yuan per square meter. The energy-saving environment-friendly building construction method has the advantages that the cost is reduced, meanwhile, the energy-saving environment-friendly building construction method completely accords with the green building concept, the structure is free from any influence, and adverse effects on the structural safety are avoided.
The invention has simple preparation, can obtain local materials, and can be processed on site or industrially produced. The on-site installation is simple and convenient, the support is reliable, the disassembly is quick, the construction process is simplified, and the working efficiency is improved. Through fine adjustment of the elevation of the screw cap and the fixing piece, the thickness of the reinforcement protection layer can be accurate to be millimeter, construction precision is ensured, the integral improvement of the engineering quality of the cast-in-situ reinforced concrete structure can be promoted, and the cast-in-situ reinforced concrete structure has good popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a diagram of a general purpose fine tuning control for a cast-in-place slab reinforcement cover according to an embodiment of the present invention;
in the figure: 1. a steel bar circular ring; 2. a harness cord screw; 3. a first nut; 4. a first steel fixing part; 5. a second nut; 6. a second steel fixing part; 7. and steel fixing piece III.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.
As shown in fig. 1, the universal fine adjustment control for turnover of a cast-in-situ slab reinforcement protection layer according to the embodiment of the invention comprises a through screw 2, wherein the top of the through screw 2 is connected with a reinforcement ring 1, the through screw 2 is connected with a first nut 3 and a second nut 5, two opposite sides of the first nut 3 are connected with a first steel fastener 4, the second nut 5 is welded with a second steel fastener 6, and the bottom of the through screw 2 is connected with a third steel fastener 7.
In one embodiment, the first steel fastener 4, the second steel fastener 6 and the third steel fastener 7 are all L-shaped.
In one embodiment, the diameters of the first steel firmware 4, the second steel firmware 6 and the third steel firmware 7 are all 8mm.
In one embodiment, the harness cord screw 2 is an M12 harness cord screw.
In one embodiment, the first nut 3 and the second nut 5 are both M12 nuts.
In a specific embodiment, the first nut 3 and the second nut 5 have lengths of 60mm and 40mm, respectively.
In one embodiment, the reinforced bar ring 1 is adhered with a reflective film.
In order to facilitate understanding of the above technical solutions of the present invention, the following describes the above technical solutions of the present invention in detail by a specific usage manner.
According to the general fine adjustment control for the turnover of the cast-in-situ slab reinforcement protection layer, the control is manufactured through the wire passing screw rod 2, the screw cap 3, the screw cap second 5, the steel fixing piece first 4, the steel fixing piece second 6, the steel fixing piece third 7 and the reinforcement ring 1, the control is adjusted through the thickness of a field floor slab and the thickness of the protection layer, reinforcement is fixed by the control in the process of binding reinforcement, the thickness of the reinforcement protection layer and the thickness of the floor slab are ensured to meet construction conditions, the first nut and the second nut of the control are adjusted before initial setting of concrete after casting the cast-in-situ slab, and the control is taken out by rotating the reinforcement ring, so that the purpose of disassembly and turnover of the control is achieved.
The process steps for constructing the turnover universal fine adjustment control for the cast-in-situ slab reinforcement protection layer are as follows: manufacturing a protective layer fine adjustment control, field installation during binding of plate steel bars, quality inspection and acceptance, cast-in-situ plate concrete pouring, disassembly and extraction during secondary surface receiving, cleaning and next turnover.
The manufacturing steps of the general fine adjustment control for the turnover of the cast-in-situ plate steel bar protection layer are as follows:
(1) Cutting out 1M 12 harness cord screw rod with 269mm length, welding 1 steel fixing piece III at 15mm (refer to structural design) from the bottom of the screw rod, bending steel bar phi 8 to form the steel fixing piece III, welding the steel fixing piece III with the harness cord screw rod in double sides in an L shape with the size of 20 mm and the welding seam of 5mm.
(2) 2M 12 nuts with lengths of 40mm and 60mm were prepared. 1 steel fixing piece is welded on two sides of the 40mm long nut in a double-sided welding mode, a welding line is 5mm, the two steel fixing pieces are made of phi 8 steel bars in a bending mode, the two steel fixing pieces are in an L shape, the size is 30mm or 35mm, the horizontal direction is slightly inclined upwards, and the inner angle is about 95 degrees; and 2 steel fixing pieces I with the same shape and size are symmetrically welded on one side of the 60mm long nut, the welding mode is double-sided welding, the welding seam is 5mm, the steel fixing pieces I are made by bending phi 8 steel bars, the size is 30 x 35mm, the horizontal direction is slightly inclined downwards, and the inner angle is about 95 degrees.
(3) The first and second welded nuts are screwed in from the top end of the through screw, a nut 40mm long is arranged at the lower part, a nut 60mm long is arranged at the upper part, then a circular ring is welded at the top end of the through screw, the circular ring is bent by phi 8 steel bars, the inner diameter is 30mm, the first and second welded nuts are welded on one side of the through screw, the welding seam is 5mm, and a reflecting film is stuck on the circular ring, so that constructors can pay attention to the construction at night.
(4) The cast-in-situ slab reinforcement protection layer turnover general fine adjustment control is manufactured and assembled, and can be put into field use according to different slab thicknesses.
In the concrete construction process, the adopted operation steps are as follows:
(1) The technical scheme is as follows: before the fine tuning control is installed, technical exchange is carried out on the steel bar work, a using method of exchange is definitely carried out, the fine tuning control is installed close to a node of the steel bar mesh, the fine tuning control can be placed in an array mode or a quincuncial mode, and a rectangular array is generally preferred.
(2) Determining arrangement spacing: the longitudinal and transverse arrangement spacing of the fine-tuning control is generally 1m, encryption arrangement is needed when the double-layer bidirectional plate ribs are phi 6-phi 8, the longitudinal and transverse spacing is 600-800 mm, and when the double-layer bidirectional plate ribs are more than phi 12, the longitudinal and transverse spacing can be properly enlarged to 1200-1500 mm. The arrangement method is calculated and determined according to the diameters and the distances of the plate stress reinforcing steel bars when the plate is used on site, and the principle of reliability and moderate degree is followed.
(3) Determining the arrangement quantity: the site can be calculated according to floor area, the number of the used cast-in-situ plate areas/(the transverse distance and the longitudinal distance) is equal, when the stressed ribs on the plate top are only the support negative ribs, the cast-in-situ plate areas only calculate the coverage area of the support negative ribs, and the area of the beam is deducted.
(4) And (3) field installation: the fine adjustment control is placed when the mesh of the bottom layer steel bars of the cast-in-situ plate is bound after the mesh of the top layer steel bars are bound, the lower row steel bars of the mesh of the bottom layer are placed on the steel firmware at the bottom end of the through screw, the steel firmware on the lower layer nut of the through screw is rotationally adjusted to a design position according to the thickness of the plate and the thickness of the protective layer, the lower row steel bars of the mesh of the top layer are placed on the steel firmware, the upper layer nut is screwed, the positions of the steel bars are locked through the steel firmware, and the upper layer nut is symmetrically provided with two steel bar fixing pieces so as to ensure that the lower layer steel firmware and the lower layer steel firmware are correspondingly locked at the design elevation. And then arranging and binding the upper row of steel bars of the top-layer net sheet. And in the installation process, the fine tuning control is in a vertical state.
(5) Casting a cast-in-situ slab: the cast-in-situ slab adopts a commercial concrete pumping mould, the mould entering temperature should not be lower than 5 ℃ and should not be higher than 35 ℃. When the daily average air temperature reaches more than 30 ℃, adopting cooling measures according to the high-temperature construction requirement, and when the daily average air temperature is lower than 5 ℃ for 5 days, adopting winter construction measures. And stopping working aloft in strong wind weather with the level of more than 6, and prohibiting pouring concrete in rainy days.
Before casting cast-in-situ slab concrete, a field quality inspector performs quality inspection on the slab bottom elevation, the reinforcement condition of the template and the scaffold, the binding installation quality of the reinforcing steel bars and the placement condition of the fine adjustment control, and then the inspection and acceptance are performed after the design and specification requirements are met. When casting cast-in-place slab concrete, because the top of the fine tuning control extends out of the cast-in-place slab to a certain height, constructors should pay special attention to not trample the fine tuning control or stumble by the fine tuning control in the construction of casting and receiving the slab, direct impact during pumping concrete is avoided, and a vibrating rod is also avoided from touching the fine tuning control during vibration.
(6) And (3) removing the fine tuning control: and after the cast-in-situ slab is poured, the fine adjustment control is disassembled when the concrete is collected for the second time before the initial setting. The surface of the cast-in-situ slab is folded twice, the slab surface is leveled by the first time of aligning elevation, and the second time of surface folding is to ensure the slab surface to be leveled and prevent shrinkage cracks from being generated after surface moisture evaporation. The secondary surface is reversely carried out from the innermost side of the storey to the direction of the stairwell or the safety passage, and the concrete time is a few minutes before the initial setting of the concrete. The initial setting time of the concrete is related to the variety and quantity of the cement, the setting condition and the variety and quantity of the admixture, and the method is determined by experiments, and can be used for carrying out secondary surface collection by fingers according to the surface of the concrete without sticking hands and just leaving fingerprints, and then the fine adjustment control is disassembled and taken out when the surface is collected. When the fine adjustment control is disassembled, the upper layer screw cap is unscrewed, the phi 8 steel bar circular ring at the top of the through screw is inserted by using the short steel bars, the steel bar fixing piece is separated from the plate bottom steel bars and the gluten by rotating for 90 degrees, the control is taken out vertically, and the concrete surface of the extracted part is smoothed.
(7) Cleaning for standby: the surface mortar needs to be cleaned immediately after the fine adjustment control is disassembled, parts are damaged and replaced in time, and the surface mortar is placed in a drying place for storage so as to be used for circulating the lower layer cast-in-situ plate, and the surface mortar can be circulated for a plurality of times.
In summary, the invention replaces the traditional protective layer cushion blocks and the steel bar split heads with the turnover general steel bar protective layer fine adjustment control, not only can accurately control the deformation of the stressed tendons on the upper layer and the lower layer of the cast-in-situ slab and ensure that the thickness of the cast-in-situ slab steel bar protective layer meets the standard, but also can be circulated in a turnover way, meets the use of different plate thicknesses, has strong universality, can save a large number of steel bars, and can reduce the manufacturing cost by about 2 yuan per square meter. The energy-saving environment-friendly building construction method has the advantages that the cost is reduced, meanwhile, the energy-saving environment-friendly building construction method completely accords with the green building concept, the structure is free from any influence, and adverse effects on the structural safety are avoided.
The invention has simple preparation, can obtain local materials, and can be processed on site or industrially produced. The on-site installation is simple and convenient, the support is reliable, the disassembly is quick, the construction process is simplified, and the working efficiency is improved. Through fine adjustment of the elevation of the screw cap and the fixing piece, the thickness of the reinforcement protection layer can be accurate to be millimeter, construction precision is ensured, the integral improvement of the engineering quality of the cast-in-situ reinforced concrete structure can be promoted, and the cast-in-situ reinforced concrete structure has good popularization value.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (5)
1. The universal fine adjustment control for the turnover of the cast-in-situ slab reinforcement protection layer is characterized by comprising a through screw (2), wherein the top of the through screw (2) is connected with a reinforcement ring (1), the through screw (2) is connected with a first nut (3) and a second nut (5), two opposite sides of the first nut (3) are connected with a first steel fixing piece (4), the second nut (5) is welded with a second steel fixing piece (6), and the bottom of the through screw (2) is connected with a third steel fixing piece (7);
the first steel fixing piece (4) is made of phi 8 steel bars through bending, the size is 30 x 35mm, the steel fixing piece is inclined downwards in the horizontal direction, and the inner angle is 95 degrees;
the first steel firmware (4), the second steel firmware (6) and the third steel firmware (7) are all L-shaped, and the diameters of the first steel firmware (4), the second steel firmware (6) and the third steel firmware (7) are all 8mm.
2. The turnover universal fine adjustment control for the cast-in-situ slab reinforcement protection layer according to claim 1, wherein the through-wire screw (2) is an M12 through-wire screw.
3. The turnover universal fine tuning control for the cast-in-situ slab reinforcement protection layer according to claim 2, wherein the first nut (3) and the second nut (5) are both M12 nuts.
4. A universal epicyclic fine tuning control for a cast-in-place slab reinforcement cover according to claim 3, wherein the length of the first nut (3) and the second nut (5) is 60mm and 40mm respectively.
5. The turnover universal fine tuning control for the reinforced bar protection layer of the cast-in-situ plate according to claim 1 is characterized in that a reflective film is attached to the reinforced bar circular ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552817.8A CN108518070B (en) | 2018-05-31 | 2018-05-31 | Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810552817.8A CN108518070B (en) | 2018-05-31 | 2018-05-31 | Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108518070A CN108518070A (en) | 2018-09-11 |
| CN108518070B true CN108518070B (en) | 2024-03-19 |
Family
ID=63427901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810552817.8A Active CN108518070B (en) | 2018-05-31 | 2018-05-31 | Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518070B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118004B (en) * | 2019-05-21 | 2024-03-19 | 中铁十六局集团城市建设发展有限公司 | Reinforcing bar split heads |
| CN111155720B (en) * | 2020-02-19 | 2024-08-13 | 浙江聚能岩土锚固研究有限公司 | Detachable anchor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157002A (en) * | 2006-12-06 | 2008-07-10 | Kazuto Yamaguchi | Universal apparatus for reinforcing bar cover |
| CN103089010A (en) * | 2013-01-15 | 2013-05-08 | 中冶天工上海十三冶建设有限公司 | Cradle construction device replacing reinforced concrete beam bottom protection layer and cradle construction method |
| CN105401723A (en) * | 2015-12-22 | 2016-03-16 | 中国一冶集团有限公司 | Detachable cyclic utilization device controlling floating of light block filling internal mold |
| CN205276694U (en) * | 2015-11-18 | 2016-06-01 | 中国建筑第八工程局有限公司 | Hang bench |
| CN205314583U (en) * | 2016-01-26 | 2016-06-15 | 中国新兴建筑工程总公司 | Adjustable brace steel bar support |
| CN106121236A (en) * | 2016-08-31 | 2016-11-16 | 山西四建集团有限公司 | Floor bar protective layer and structural elevation integrated control method |
| CN205976167U (en) * | 2016-07-08 | 2017-02-22 | 杭州江润科技有限公司 | Based on cast -in -place floor structures of detachable positioning control spare |
| CN107327082A (en) * | 2017-08-30 | 2017-11-07 | 云南工程建设总承包公司 | Suspension type adjustable steel bar split heads |
| CN208347319U (en) * | 2018-05-31 | 2019-01-08 | 中铁十六局集团城市建设发展有限公司 | One kind having enough to meet the need general accurate adjustment control for cast-in-situ slabs tendon protective layer |
-
2018
- 2018-05-31 CN CN201810552817.8A patent/CN108518070B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157002A (en) * | 2006-12-06 | 2008-07-10 | Kazuto Yamaguchi | Universal apparatus for reinforcing bar cover |
| CN103089010A (en) * | 2013-01-15 | 2013-05-08 | 中冶天工上海十三冶建设有限公司 | Cradle construction device replacing reinforced concrete beam bottom protection layer and cradle construction method |
| CN205276694U (en) * | 2015-11-18 | 2016-06-01 | 中国建筑第八工程局有限公司 | Hang bench |
| CN105401723A (en) * | 2015-12-22 | 2016-03-16 | 中国一冶集团有限公司 | Detachable cyclic utilization device controlling floating of light block filling internal mold |
| CN205314583U (en) * | 2016-01-26 | 2016-06-15 | 中国新兴建筑工程总公司 | Adjustable brace steel bar support |
| CN205976167U (en) * | 2016-07-08 | 2017-02-22 | 杭州江润科技有限公司 | Based on cast -in -place floor structures of detachable positioning control spare |
| CN106121236A (en) * | 2016-08-31 | 2016-11-16 | 山西四建集团有限公司 | Floor bar protective layer and structural elevation integrated control method |
| CN107327082A (en) * | 2017-08-30 | 2017-11-07 | 云南工程建设总承包公司 | Suspension type adjustable steel bar split heads |
| CN208347319U (en) * | 2018-05-31 | 2019-01-08 | 中铁十六局集团城市建设发展有限公司 | One kind having enough to meet the need general accurate adjustment control for cast-in-situ slabs tendon protective layer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518070A (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863274B (en) | Building dilatation joint waterproof structure | |
| CN108518070B (en) | Be used for general fine tuning control of cast-in-situ slab reinforcement protective layer turnover | |
| CN203097307U (en) | Horizontal adjuster for adjusting outer wallboard in installation of assembling type outer wallboard | |
| CN207846751U (en) | A kind of prefabricated assembled concrete shear wall outer insulated wall plate | |
| CN103615076B (en) | The oblique roofing concrete construction method of a kind of heavy grade | |
| CN202787330U (en) | Post-cast strip template | |
| CN103669357A (en) | Gate-pier fair-faced concrete one-off forming construction method | |
| CN113481999A (en) | Device and method for pouring and repairing 45-degree inclined concrete on cushion layer and smearing internal corners | |
| CN206245560U (en) | A kind of cast-in-place concrete board thickness controls prefabricated components | |
| CN208455954U (en) | A kind of turnover essence control tightening component | |
| CN105034153A (en) | Energy-saving concrete curing vehicle | |
| CN108868011B (en) | Turnover fine control fastening assembly | |
| CN207685984U (en) | A kind of overlength underground garage external wall structure | |
| CN203145444U (en) | Novel three-layer composite hollow plastic building template | |
| CN215368500U (en) | Flame-retardant anti-cracking extruded polystyrene foam heat-insulation terrace | |
| CN208347319U (en) | One kind having enough to meet the need general accurate adjustment control for cast-in-situ slabs tendon protective layer | |
| CN201981797U (en) | Mortar laying device for concrete building block | |
| CN208347142U (en) | New floor slab thickness control device | |
| CN210917815U (en) | Low-energy-consumption assembled heat-insulation wallboard | |
| CN206769245U (en) | A kind of combination construction component for strengthening Sloping roof construction quality | |
| CN208518189U (en) | A kind of Assembled self-insulating building element | |
| CN110118004B (en) | Reinforcing bar split heads | |
| CN206245606U (en) | A kind of EPS composite heat-insulation roofs | |
| CN105019656A (en) | Construction method for floor system concrete post-cast strip suspended formwork | |
| CN205857460U (en) | A kind of insulated wall light steel combined frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |