CN109465955A - Form the method with the grate for exempting from powder light concrete surface - Google Patents
Form the method with the grate for exempting from powder light concrete surface Download PDFInfo
- Publication number
- CN109465955A CN109465955A CN201710804044.3A CN201710804044A CN109465955A CN 109465955 A CN109465955 A CN 109465955A CN 201710804044 A CN201710804044 A CN 201710804044A CN 109465955 A CN109465955 A CN 109465955A
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- punching block
- scc
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- grate
- height
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000004567 concrete Substances 0.000 title claims abstract description 42
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 238000004080 punching Methods 0.000 claims abstract description 92
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 12
- 239000011376 self-consolidating concrete Substances 0.000 description 36
- 238000010276 construction Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000011083 cement mortar Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 235000011962 puddings Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
This disclosure relates to which a kind of form the method with the grate for exempting from powder light concrete surface, the method includes: providing multiple punching blocks interconnected, space is formed in the punching block, wherein at least one of the punching block is with hole；Multiple grid beam moulds are set in the space formed in the punching block；Scheduled multiple steel reinforcement cages are set between the grid beam mould and between the grid beam mould and the punching block；Steel plate is set on the surface of the punching block, wherein the steel plate includes separated multiple stomatas；And will be injected into the space from filling concrete SCC from the described hole of at least one of the punching block, so that the SCC fills the space to form the grate.
Description
Technical field
The present invention relates to the methods for forming grate.More specifically, the present invention relates to formed to have to exempt from powder light concrete
The method of the grate on surface.
Background technique
Grate structure is widely used in current building and building engineering field, and especially manufacturing industry workshop is emerging
It builds, the hi-tech manufacturing workshop of especially chip factory uses grate as the primary structure of installation plant.Due to
Grate structure has shatter-proof characteristic, therefore the construction of workshop floor mostly uses greatly grate structure now, to meet chip
Because precision process equipment Wen Dings the reason of She Catching-rabbits, workshop floor has to that slight vibration can be resisted for factory.
Using grate layer Precasting structure body in utilizing several pieces of pre-cast concrete columns to cooperate precastings in every unit span scope
Various precasting grate layer group it is vertical, be reduced to its construction time can most preferably expected, and can largely reduce needed for chip factory
Grate layer Contraction in Site amount, ensure accordingly structure safety, together in design requirement, and be easily portable, construct it is quick and simultaneous
Have beautiful and generous.Precasting grate structure has the advantage that precision and flatness are held since grid plate unit is Prefabrication
It is easy to control；Grate element quality is good and uniform；Concrete is cast-in-site, and grate can be combined completely；Precasting grate is strong
Degree is enough to support self weight and construction load-carrying；Building-site only remain lifting work, can save a large amount of scaffolds, construction moving-wire it is good；And
Duration can shorten.In addition, the product high precision of high-tech industry, such as chip or chip etc. need strictly in the fabrication process
Amount of dust arround control, in order to avoid destroy Product Precision and reliability.Toilet is built with panel grider perforation floor framing, is benefit
Clean air is set to be again introduced into toilet with positive pressure by dust through panel grider perforation discharge toilet and by filtering return air
It is interior, it is the design method being often used at present in high technology building.
Fig. 1 illustrates the method for forming grate with conventional concrete.In a step 101, punching block is provided.In step 102
In, clear up punching block.In step 103, grid beam mould is placed in the space that punching block is formed.At step 104, in panel grider
Steel reinforcement cage is set between mold and between grid beam mould and punching block.In step 105, by concrete grouting into space.
In step 106, concrete initial set is waited.In step 107, powder light is carried out to concrete surface.In step 108, in powder
Final set is carried out after the completion of light and is demoulded.Under normal circumstances, between grid beam mould and between grid beam mould and punching block
The step 104 that steel reinforcement cage is arranged is to carry out in the morning；Concrete grouting to the step 105 in space is carried out in the afternoon；Initial set
Step 106 dusk carry out；The step 107 of powder light carries out at night；Final set demoulding step 108 then the next day morning into
Row.Usually working hour about 6 to 8 hours of initial set and powder light, and because being carried out at dusk to night, it needs at additional manpower overtime work
Reason initial set and powder light.The time spent in pre-hardening, influences whether the progress of powder light: if initial set is too fast or concentrates, can have little time to carry out
Powder light and influence concrete surface quality；If pre-hardening too slow, the yield next day personnel of will cause work overtime and influence.Separately
Outside, if meeting rainy day, powder light can not be carried out because of being only in the milk, grate yield can be impacted and be not easy to come back original
Project progress.
To solve the disadvantage that the above routine techniques, industry look forward to for a long time it is a kind of formed to have exempt from the full precasting grid of powder light
The method of plate.
Summary of the invention
To solve the problems of above-mentioned routine techniques, it is mixed with powder light is exempted from that an aspect of of the present present invention is related to a kind of formation
The method of the grate on solidifying soil surface.The method includes: providing multiple punching blocks interconnected, is formed in the punching block empty
Between, wherein at least one of the punching block is with hole；Multiple grid are set in the space formed in the punching block
Beam mould；Scheduled multiple steel are set between the grid beam mould and between the grid beam mould and the punching block
Muscle cage；Steel plate is set on the surface of the punching block, wherein the steel plate includes separated multiple stomatas；And it will be mixed from filling
Solidifying soil (SCC) is injected into the space from the described hole of at least one of the punching block, so that the SCC fills the sky
Between to form the grate.Another aspect of the present invention relates to one kind according to exempting from powder light precasting grate made of the above method
Structure.
Another aspect of the present invention is related to a kind of method for being formed and having the grate for exempting from powder light concrete surface, the side
Method includes: providing multiple punching blocks interconnected, space is formed in the punching block, wherein at least one of the punching block is with hole
Hole；Clear up the punching block；Multiple grid beam moulds are set in the space formed in the punching block；In the grid beam mould
Between and the grid beam mould and the punching block between scheduled multiple steel reinforcement cages are set；It pours and sets concrete in the sky
Between in, and pour postpone the concrete height be less than the punching block height；And one layer is formed on the concrete surface
From flat mud.Another aspect of the invention is related to exempting from powder light precasting grid made of a kind of method according to another aspect described above
Hardened structure.
Detailed description of the invention
Attached drawing discussed below is only for exemplary purposes, to be not intended to limit the model of the disclosure in any way
It encloses.
Fig. 1 is that the flow chart for exempting from the method for powder light precasting grate is formed with conventional concrete.
Fig. 2 is the flow chart for exempting from the method for powder light precasting grate according to the formation of the embodiment of the present invention.
Fig. 3 is the flow chart for exempting from the method for powder light precasting grate according to the formation of the embodiment of the present invention.
Fig. 4 is that the side sectional view for exempting from powder light precasting grate is formed by according to the method for Fig. 3.
Fig. 5 A is the schematic diagram according to the mobility test of collapsing from filling concrete of the embodiment of the present invention.
Fig. 5 B is the schematic diagram according to the U-shaped filling test from filling concrete of the embodiment of the present invention.
Fig. 5 C is the schematic diagram according to the V-type funnel test from filling concrete of the embodiment of the present invention.
Fig. 6 is the flow chart with the method for exempting from powder light precasting grate from the formation of flat mud according to the embodiment of the present invention.
Fig. 7 is the side sectional view for exempting from powder light precasting grate formed according to the method for Fig. 6.
Specific embodiment
Embodiment of the present disclosure is described in detail below in reference to schema, it includes various embodiments.It should be noted that this
The content of case embodiment is only used for illustrating a kind of specific aspect of the disclosure, not limits range disclosed in this case.
In an embodiment of the present invention, Fig. 2 is with the method for exempting from powder light precasting grate from filling concrete formation.In step
In rapid 201, punching block is provided.In step 202, punching block is cleared up.In step 203, grid is placed in the space that punching block is formed
Beam mould.In step 204, steel reinforcement cage is set between grid beam mould and between grid beam mould and punching block.In step
In 205, lid is put on punching block.In step 206, will from filling concrete (Self-Compacting Concrete,
SCC it) is grouted into space.In step 207, it carries out final set and demoulds.Under normal circumstances, between grid beam mould, with
And it is to carry out in the morning that the step 204 of steel reinforcement cage, which is arranged, between grid beam mould and punching block；By SCC concrete grouting into space
Step 205 carry out in the afternoon；Final set demoulding step 207 then the next day morning carry out.SCC has the advantage that (1) is not necessary to
Mechanical pudding and can pouring automatically is set, and construction personnel is reduced；(2) mobility is good, can reduce concrete and pours the manpower for setting operation；(3)
It is flowable in narrow bar spacing and section, reach each corner for being sufficient filling with structure；(4) watertightness is high, and moisture is not easy to penetrate into,
Reinforcing bar is not easy to corrode；(5) high-intensitive and high-durability；(6) honeycomb is not generated.The method does not need the manpower additionally worked overtime, can
Significantly increase working efficiency and saves cost.
Fig. 3 is a kind of method for forming grate structure with SCC according to the embodiment of the present invention.In step 301, it provides
Punching block interconnected, punching block form space, and wherein at least one of punching block is with hole.Provide punching block interconnected it
After clear up punching block.In step 302, grid beam mould is set in the space formed in punching block.In step 303, in lattice
Scheduled steel reinforcement cage is set between sub- beam mould and between grid beam mould and punching block.In step 304, on the surface of punching block
Upper setting steel plate, light plate include separated stomata.In step 305, SCC is injected from the hole of at least one of punching block
Into space, so that SCC fills space to form grate.It is connect by providing connecting tube with hole, SCC can be via connecting tube
And hole is injected into space, and the position of hole is positioned at the bottom of at least one of punching block.SCC is injected from the bottom of punching block
And height gradually increases.The height that SCC makes its height be greater than or equal to punching block can be injected.SCC, which can also be injected, is equal to its height
The height of the height and steel plate of punching block and.Bubble discharge caused by grouting SCC can be made SCC's by the stomata of steel plate
Surface is more flat and uniformly and not generates honeycomb.After injecting SCC and after the intensity of SCC reaches predetermined strength, it can remove
Punching block and steel plate are to form with the grate for exempting from powder light concrete surface.
Fig. 4 is the side sectional view for exempting from powder light precasting grate structure made of method using Fig. 3.Punching block 400 is mutual
Connection is to form space 401, and at least one of punching block 400 is with hole 402.Grid beam mould 403 is arranged in punching block 400
It is formed by space 401.Scheduled steel reinforcement cage 404 be arranged between grid beam mould 403 and grid beam mould 403 with
Between punching block 400.Steel plate 405 is arranged on punching block 400, and light plate 405 has multiple stomatas 406, and stomata 406 is each other
Separated.In an embodiment of the present invention, the diameter of stomata 406 preferably can be 3.75 centimetres.Then SCC 408 is passed through into connection
Pipe 407 is injected into space 401 from the hole 402 of at least one of punching block 400, so that SCC 408 fills space 401 and solidifies
After form grate.
Space 401 is formed by with punching block 400 when SCC 408 is flowed into the steel plate 405 with various sizes of stomata 406
In and complete final set, after punching block of dismantling, bubble can be generated in SCC 408.Following table one is to be flowed into SCC 408 to have not
The experimental result of generation bubble in space 401 is formed by with the steel plate 405 and punching block 400 of the stomata 406 of size.Such as following table one
The data of middle control group, when steel plate 405 has at least one larger-size stomata, the bubble area ratio averagely generated is
The 9% of steel plate area.Such as the data of test group in following table one, when steel plate 405 has the stomata of multiple equally distributed small sizes
When, the bubble area ratio averagely generated is the 1.5% of steel plate area.Therefore, there is the stomata of equally distributed small size
Steel plate can reduce the generation of bubble compared to the steel plate at least one larger-size stomata.
Table one
As shown in Fig. 5 A to 5C, building industry has performance of several test forms to evaluate SCC.Fig. 5 A is SCC 408
The mobility test result schematic diagram that collapses.After degree of collapsing mould lifts, general vertical amount height difference is degree of collapsing, and coagulation soil flow hold after meeting
At round, diameter R1 is known as " mobility ".Fig. 5 B is the U-shaped filling test schematic diagram of SCC 408.U-type groove is allowed to fill first
SCC is filled in the standing of A slot 501 1 minute without vibrating, then SCC is flowed through reinforcing bar obstacle by A slot 501 and is filled to B slot 502.Wherein
The height R2 of A slot 501 can be twice of the height R3 of B slot 502.If the height R3 for filling the B slot 502 of SCC is 30cm or more,
Then it is determined that SCC be with from stowage capacity, can be in order to avoid mode of vibration be constructed.The V-type funnel that Fig. 5 C is SCC 408 tests signal
Figure.It allows SCC to be filled in V-groove standing without vibrating first, then the opening below V-groove is opened, SCC is allowed to flow down and measure
SCC is all the time required to outflow V-groove.
Following table two is mobility test of collapsing, U-shaped filling test and the V-type funnel according to the SCC 408 of the embodiment of the present invention
The result of test.According to following table two, the average value of the mobility of SCC 408 is 64.3 centimetres；It is U-shaped filling test average value be
33.3 centimetres；The average time of V-type funnel test is 16.4 seconds.
Table two
Referring to Fig. 6, another embodiment of the present invention is shown, it is hardened using powder light precasting grid is exempted from made of the flat mud
Structure.In step 601, punching block interconnected is provided, punching block forms space, and wherein at least one of punching block is with hole.?
In step 602, punching block is cleared up after punching block interconnected is provided.In step 603, in the space formed in punching block
Grid beam mould is set.In step 604, it is arranged between grid beam mould and between grid beam mould and punching block scheduled
Steel reinforcement cage.In step 605, it pours and sets concrete in space, and pour and postpone height of the height of concrete less than punching block.In step
In rapid 606, one layer is formed on concrete surface from flat mud to form grate.From the height of the height and concrete of flat mud
With the height for being equal to punching block.After injection reaches predetermined strength from after flat mud and from the intensity of flat mud, can remove punching block with
Being formed has the grate for exempting from powder light concrete surface.
Fig. 7 is the side sectional view for exempting from powder light precasting grate structure made of method using Fig. 6.Punching block 700 is mutual
Connection is to form space 701.Grid beam mould 702 is that setting is formed by space 701 in punching block 700.Scheduled steel reinforcement cage
703 be setting between grid beam mould 702 and between grid beam mould 702 and punching block 700.Then by 04 note of concrete seven
Enter into space 701, so that concrete seven 04 fills a part in space 701.Then concrete seven 04 will be injected into from flat mud 705
On, so that height of the sum of the height of concrete seven 04 and the height from flat mud 705 equal to punching block 700.In the embodiment of the present invention
In, it can be 5 millimeters to 1 centimetre from the height of flat mud 705.Wherein include cement, sand and chemical substance from flat mud 705, and
It does not include stone.
Appropriate water consumption is added from flat mud, high stream malleability cement mortar is become, to cover cement coated surface
The flaws such as hole, high and low fall, rapid curing can form flat and smooth careful and durable terrace from flat mud after construction.In step
In rapid 606, gravity oneself can be leaned on to shakeout from flat mud after grouting, without in addition again with one layer of mortar equating.Traditional
In construction process, a large amount of labour is needed to complete the work of leveling modification, if applying large area with from flat cement mortar
Manpower can be greatly decreased then can complete leveling modification operation simultaneously in building floor engineering.In addition, possessing from flat mud high-strength
Degree and high resistance against wear ability, so that it can be applied to be subjected to heavily loaded floor, in industrial premises, outdoor parking space, shopping
The heart or natural gas factory.
Although having referred to the particular embodiment of the present invention describes and illustrate the present invention, these descriptions and explanation are not intended to limit
The present invention.Those skilled in the art will appreciate that do not depart from the true spirit of the invention defined such as claims and
In the case where range, various changes can be made and available equivalents substitute.Schema may be not necessarily drawn to scale.It is attributed to manufacture
Technique and tolerance, the present invention in art recurring and physical device between difference may be present.The sheet of not certain illustrated may be present
The other embodiments of invention.This specification and schema should be considered as illustrative and not restrictive.Modification can be made, so that special
Condition, material, material composition, method or the technique of pledging love are adapted to target of the invention, spirit and scope.All such modifications are all beaten
Calculation belongs in the range of this claims.Although method disclosed herein has referred to the specific operation being performed in a specific order
Described, it should be appreciated that can combine, segment or resequence in the case where not departing from teachings of the present invention these operation with
Form equivalent method.Therefore, unless special instructions herein, the order otherwise operated and grouping and the limitation of non-present invention.
Symbol description
101 steps
102 steps
103 steps
104 steps
105 steps
106 steps
107 steps
108 steps
201 steps
202 steps
203 steps
204 steps
205 steps
206 steps
207 steps
301 steps
302 steps
303 steps
304 steps
305 steps
400 punching blocks
401 spaces
402 holes
403 grid beam moulds
404 steel reinforcement cages
405 steel plates
406 stomatas
407 connecting tubes
408 SCC
601 steps
602 steps
603 steps
604 steps
605 steps
606 steps
700 punching blocks
701 spaces
702 grid beam moulds
703 steel reinforcement cages
704 concrete
705 from flat mud
Claims (16)
1. a kind of form the method with the grate for exempting from powder light concrete surface, it includes:
Multiple punching blocks interconnected are provided, form space in the punching block, wherein at least one of the punching block is with hole；
Multiple grid beam moulds are set in the space formed in the punching block；
Scheduled multiple reinforcing bars are set between the grid beam mould and between the grid beam mould and the punching block
Cage；
Steel plate is set on the surface of the punching block, wherein the steel plate includes separated multiple stomatas；And
It will be injected into the space from filling concrete SCC from the described hole of at least one of the punching block, so that described
SCC fills the space to form the grate.
2. according to the method described in claim 1, further comprising after the step of providing the punching block interconnected, clearly
Manage the punching block.
3. according to the method described in claim 2, further comprise provide connecting tube connect with described hole, the SCC described whereby
It is injected into the space via the connecting tube and described hole, and the position of described hole is to be located at the punching block at least
One bottom.
4. according to the method described in claim 3, the step of wherein injecting the SCC is to be injected into the SCC to be greater than or wait
In the height of the punching block.
5. according to the method described in claim 3, the step of wherein injecting the SCC is injected into the SCC equal to described
The height of the height of punching block and the steel plate and.
6. further comprising the step of injecting the SCC according to claim 1 to method described in any claim in 5
Later and after the intensity of SCC reaches predetermined strength, the punching block and the steel plate are removed.
7. according to the method described in claim 6, wherein the average value of the U-shaped filling test of the SCC is 33.3 centimetres.
8. according to the method described in claim 6, wherein the average value of the mobility that collapses of the SCC is 64.3 centimetres.
9. according to the method described in claim 6, wherein the average time of the V-type funnel testing of the SCC is 16.4 seconds.
10. according to the method described in claim 6, wherein the diameter of the stomata is 3.75 centimetres.
11. a kind of according to exempting from powder light precasting grate structure made of method for claim 6.
12. a kind of form the method with the grate for exempting from powder light concrete surface, it includes:
Multiple punching blocks interconnected are provided, form space in the punching block, wherein at least one of the punching block is with hole；
Clear up the punching block；
Multiple grid beam moulds are set in the space formed in the punching block；
Scheduled multiple reinforcing bars are set between the grid beam mould and between the grid beam mould and the punching block
Cage；
It pours and sets concrete in the space, and pour and postpone height of the height of the concrete less than the punching block；And
One layer is formed on the concrete surface from flat mud.
13. according to the method for claim 12, wherein described wait from the sum of the height and the height of the concrete of flat mud
In the height of the punching block.
14. according to the method for claim 12, wherein the height from flat mud is 5 millimeters to 1 centimetre.
15. according to the method for claim 14, wherein described include cement, sand and chemical substance from flat mud drum, and not including
Stone.
16. exempting from powder light precasting grate structure made of a kind of method according to any claim in claim 12 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804044.3A CN109465955A (en) | 2017-09-08 | 2017-09-08 | Form the method with the grate for exempting from powder light concrete surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804044.3A CN109465955A (en) | 2017-09-08 | 2017-09-08 | Form the method with the grate for exempting from powder light concrete surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109465955A true CN109465955A (en) | 2019-03-15 |
Family
ID=65657735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710804044.3A Pending CN109465955A (en) | 2017-09-08 | 2017-09-08 | Form the method with the grate for exempting from powder light concrete surface |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092249A1 (en) * | 2001-01-17 | 2002-07-18 | Runhorn Pretech Engineering Co., Ltd. | Partially prefabricated waffle slab |
| CN101457581A (en) * | 2008-12-25 | 2009-06-17 | 中国建筑第八工程局有限公司 | Construction method for auto-flowing floor |
| CN101806112A (en) * | 2010-04-21 | 2010-08-18 | 中南大学 | Preparation method of cast-in-situ concrete hollow slab |
| CN202530614U (en) * | 2012-05-08 | 2012-11-14 | 刘春� | Cast-in-situ steel mesh concrete slab |
| CN203034320U (en) * | 2012-12-27 | 2013-07-03 | 中国建筑第六工程局有限公司 | Self-compacting concrete combined formwork |
-
2017
- 2017-09-08 CN CN201710804044.3A patent/CN109465955A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020092249A1 (en) * | 2001-01-17 | 2002-07-18 | Runhorn Pretech Engineering Co., Ltd. | Partially prefabricated waffle slab |
| CN101457581A (en) * | 2008-12-25 | 2009-06-17 | 中国建筑第八工程局有限公司 | Construction method for auto-flowing floor |
| CN101806112A (en) * | 2010-04-21 | 2010-08-18 | 中南大学 | Preparation method of cast-in-situ concrete hollow slab |
| CN202530614U (en) * | 2012-05-08 | 2012-11-14 | 刘春� | Cast-in-situ steel mesh concrete slab |
| CN203034320U (en) * | 2012-12-27 | 2013-07-03 | 中国建筑第六工程局有限公司 | Self-compacting concrete combined formwork |
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