CN106639097A - Construction method for cast-in-situ reinforced concrete floor and floor structure - Google Patents
Construction method for cast-in-situ reinforced concrete floor and floor structure Download PDFInfo
- Publication number
- CN106639097A CN106639097A CN201610880732.3A CN201610880732A CN106639097A CN 106639097 A CN106639097 A CN 106639097A CN 201610880732 A CN201610880732 A CN 201610880732A CN 106639097 A CN106639097 A CN 106639097A
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- Prior art keywords
- material transfer
- splice
- transfer mouth
- reinforced concrete
- situ reinforced
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
- E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
Abstract
The invention discloses a construction method for a cast-in-situ reinforced concrete floor and a floor structure. The construction method for the cast-in-situ reinforced concrete floor comprises the steps that first, structure rebars are erected and fixed, the position of a material conveying opening is reserved by the structure rebars, wherein opposite rebar connectors extending upward are fixed on the two opposite sides of the material conveying opening correspondingly, and the opposite rebar connectors are bent along the upper end face of the material conveying opening and then can be mutually fixedly overlapped; second, formworks are mounted, the bottom ends of the rebar connectors are located in a cavity formed by combining of the formworks, through holes are formed in the position, corresponding to the rebar connectors, of the formwork, and the tops of the rebar connectors penetrate through the through holes upward; and third, concrete pouring in the cavity is conducted, and the bottom ends of the rebar connectors are fixed with concrete. According to the construction method, when the material conveying opening is blocked, the rebar connectors located at the corresponding positions are fixedly overlapped, drilling other holes and rebar implanting are not needed, the construction process and construction difficulty are reduced, the construction period is short, the economy is strong, and the strength of the concrete floor is high.
Description
Technical field
The present invention relates to the technical field of reinforced concrete floor, more particularly to a kind of in-situ reinforced concrete slab is applied
Work method and floor construction.
Background technology
Floor is a kind of separation supporting member, if house is divided into dried layer by it in vertical direction, and people and furniture etc.
Vertical load and floor deadweight pass to ground by body of wall, beam or post.Material as used by it can be divided into wood floor, brick arch building
Several forms such as plate, reinforced concrete floor and steel liner plate floor.Wherein, reinforced concrete floor has floor hard due to it
Solid, big durable, rigidity, high intensity and the advantages of good fire protecting performance, be easy to industrialized production in China, so most widely used.
Reinforced concrete floor can be divided into in-situ reinforced concrete slab and assembled steel reinforced concrete by construction method
The big class of floor two.In-situ reinforced concrete slab is referred to be carried out formwork, assembling reinforcement, pours coagulation according to design attitude at the scene
Soil, Jing maintenances, form removal and the floor that makes.
In-situ reinforced concrete slab of the prior art offers material transfer mouth, and material transfer mouth is used to transmit the construction such as template institute
Material is needed, facilitates material to transmit, improve efficiency of construction.Material transfer mouth can separate the reinforced concrete floor of both sides, in construction
In the later stage, need to plant reinforcing bar by another after perforate on material transfer mouth, then the method for casting concrete is blocked to material transfer mouth so that
It is connected as a single entity again in the reinforced concrete floor for being separated.However, this construction method not only produces extra bar planting expense,
Economy is poor, and due to the size limitation of material transfer mouth, causes that the difficulty of construction that separately bar planting is punched is larger, cast in place reinforced bar is mixed
The intensity of solidifying Tulou plate is difficult to reach design requirement.
The content of the invention
The first object of the present invention is to propose a kind of construction method of in-situ reinforced concrete slab, and the construction method is straight
Connect to pour splice and be fixed in reinforced concrete floor, punching, secondary bar planting can be saved when material transfer mouth is blocked
Working procedure, the construction period is short, and economy is strong, time saving and energy saving, the floor strength reliability of making.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of construction method of in-situ reinforced concrete slab, including：
The first step：Structure reinforcing bars and fixed, the position of the reserved material transfer mouth of the structure reinforcing bars are set up,
Wherein, the position in the relative both sides of the material transfer mouth is respectively fixed with and protrudes upward and corresponding reinforcing bar connects
Head, the corresponding splice can mutually overlap fixation after the upper surface bending of the material transfer mouth；
Second step：Installation form, the bottom of the splice is located in the cavity volume that the form assembly is formed, the mould
Plate is provided with through hole in the corresponding position of the splice, and the through hole is upward through at the top of the splice；
3rd step：The casting concrete into the cavity volume, the bottom of the splice is fixed by the concrete.
Wherein, the structure reinforcing bars include the connection reinforcing bar arranged towards the material transfer mouth, and the connection reinforcing bar is near institute
The end upper surface in the material transfer mouth protruding upward of material transfer mouth is stated, the splice is formed.
Wherein, the structure reinforcing bars also include reinforcement, the reinforcement be arranged at material transfer mouth outside and parallel to
The side wall of the material transfer mouth.
Wherein, also include after the 3rd step：4th step：The material transfer mouth is blocked,
Specifically include：The corresponding described splice of the material transfer mouth both sides will be located at along the upper surface of the material transfer mouth
Overlap joint is fixed after bending；
Sealing template is installed；
The casting concrete into sealing template.
Wherein, the splice is multigroup, and per group of splice is individually fixed in the material transfer mouth including two
Relative both sides and can the fixed splice of corresponding overlap joint, multigroup splice equidistantly be arranged in parallel.
The second object of the present invention is to propose a kind of in-situ reinforced concrete slab structure, when material transfer mouth is blocked, no
Need separately to punch, secondary bar planting, simple to operate, floor construction intensity reliability.
It is that, up to this purpose, the present invention is employed the following technical solutions：
A kind of in-situ reinforced concrete slab structure, including：
Concrete floor, is provided with the material transfer mouth for transmitting material on the concrete floor；With
Splice, the bottom of many splices is corresponding respectively to pour that to be fixed on the material transfer mouth relative
In the concrete floor of both sides, the top of the corresponding splice can after the upper surface bending of the material transfer mouth
Mutually overlap joint is fixed.
Wherein, the connection reinforcing bar towards the material transfer mouth is provided with the concrete floor, the connection reinforcing bar is close
The upper surface of the end concrete floor protruding upward of the material transfer mouth, forms the splice.
Wherein, the splice is stretched out the length of the concrete floor and is equal between the relative both sides of the material transfer mouth
Distance.
Wherein, the reinforcement of the side wall parallel to the material transfer mouth is provided with the outside of the material transfer mouth.
Wherein, the splice is multigroup, and per group of splice is individually fixed in the material transfer mouth including two
Relative both sides and can the fixed splice of corresponding overlap joint, multigroup splice equidistantly be arranged in parallel.
Beneficial effect：The present invention provides a kind of construction method and floor construction of in-situ reinforced concrete slab.One kind is existing
The construction method of reinforced concrete floor is poured, including：The first step：Set up structure reinforcing bars and fix, the structure reinforcing bars are handed down to posterity in advance
The position of material mouth, wherein, it is respectively fixed with the position of the relative both sides of the material transfer mouth and protrudes upward and corresponding reinforcing bar
Joint, the corresponding splice can mutually overlap fixation after the upper surface bending of the material transfer mouth；Second step：Install
Template, the bottom of the splice is located in the cavity volume that the form assembly is formed, and the template is in the splice phase
Corresponding position is provided with through hole, and the through hole is upward through at the top of the splice；3rd step：Pour into the cavity volume
Concrete is built, the bottom of the splice is fixed by the concrete.By concrete directly pour fixed splice from
The position of the relative both sides of material transfer mouth protrudes upward, and when material transfer mouth is blocked, directly overlaps the splice of corresponding position
It is fixed, it is not necessary to punch in addition, be implanted into reinforcing bar, not only reduce working procedure, difficulty of construction is reduced, short time limit is economical
Property it is strong, and reinforcing bar directly pours and is fixed in concrete floor, is connected firmly, and the intensity of the concrete floor after sealing is high.
Description of the drawings
Fig. 1 is the flow chart of the construction method of the in-situ reinforced concrete slab that the embodiment of the present invention 1 is provided；
Fig. 2 be the embodiment of the present invention 1 provide in-situ reinforced concrete slab construction method in structure reinforcing bars and template
The structural representation of combination；
Fig. 3 be the in-situ reinforced concrete slab that the embodiment of the present invention 1 is provided construction method in splice overlap joint it is solid
Fixed structural representation；
Fig. 4 is the structural representation of the in-situ reinforced concrete slab structure that the embodiment of the present invention 2 is provided.
Wherein：
1st, concrete floor；2nd, material transfer mouth；3rd, splice；4th, structure reinforcing bars；41st, reinforcement；42nd, reinforcing bar is connected；5、
Template；51st, cavity volume.
Specific embodiment
For make present invention solves the technical problem that, the technical scheme that adopts and the technique effect that reaches it is clearer, below
Technical scheme is further illustrated with reference to accompanying drawing and by specific embodiment.
Embodiment 1
A kind of construction method of in-situ reinforced concrete slab is present embodiments provided, as shown in Figure 1-Figure 3, including：
The first step：Set up structure reinforcing bars 4 and fix, structure reinforcing bars 4 reserve the position of material transfer mouth 2,
Wherein, the position in the relative both sides of material transfer mouth 2 is respectively fixed with and protrudes upward and corresponding splice 3,
Corresponding splice 3 can mutually overlap fixation after the upper surface bending of material transfer mouth 2, it is to avoid during later stage closure material transfer mouth 2
Punched, secondary bar planting, save operation；
Second step：Installation form 5, the bottom of splice 3 is located at template 5 and combines in the cavity volume 51 for being formed, and template 5 is in steel
The corresponding position of muscle joint 3 is provided with through hole, and the top of splice 3 is upward through through hole, facilitates installation form 5, and
Avoid affecting the use of material transfer mouth 2；
3rd step：The casting concrete into cavity volume 51, the bottom of splice 3 is fixed by concrete, improves closure material transfer
The weight capacity of splice 3 during mouth 2, improves the intensity of concrete floor 1.
In the construction method provided relative to prior art, the present embodiment, the structure reinforcing bars 4 set up are included from material transfer mouth 2
The position of relative both sides protrudes upward splice 3, by combining in the cavity volume 51 for being formed casting concrete by steel to template 5
The bottom of muscle joint 3 is fixed in concrete floor 1, when material transfer mouth 2 is blocked in the later stage, directly connects the reinforcing bar of corresponding position
3 fixed by the overlap joint such as colligation or welding, it is not necessary to punches, the operation such as secondary bar planting, not only reduces working procedure, subtracts
Lack difficulty of construction, short time limit, economy is strong, and reinforcing bar is directly poured and is fixed in concrete floor, is connected firmly, after sealing
Concrete floor intensity it is high.
Structure reinforcing bars 4 include the connection reinforcing bar 42 arranged towards material transfer mouth 2.In the construction method of prior art, taking
If being the position of reserved material transfer mouth 2 during structure reinforcing bars 4, connection reinforcing bar 42 is cut off at the position of material transfer mouth 2, later stage closure
During material transfer mouth 2, then separately punching, implantation reinforcing bar.In an embodiment of the present embodiment, can be by connection reinforcing bar 42 near biography
The end upper surface in material transfer mouth 2 protruding upward of material mouth 2, forms splice 3, facilitates later stage closure material transfer mouth 2, structure letter
It is single, easy construction, and directly using the end of connection reinforcing bar 42 as splice 3, that is, facilitate consolidating for splice 3 itself
It is fixed, it is not necessary to extra to fix splice 3 again, and after corresponding splice 3 mutually overlap joint is fixed, can be by material transfer mouth
The corresponding connection reinforcing bar 42 in 2 both sides is connected again, strengthens the bonding strength of whole concrete floor 1.
In another embodiment, it is also possible to individually set up one section of reinforcing bar, one end is consolidated with the structure reinforcing bars 4 in cavity volume 51
It is fixed, it is easy to follow-up casting concrete, the other end to stretch out the position of the opposite sides of material transfer mouth 2, form splice 3.
Splice in the present embodiment 3 can be multigroup, and every group of splice 3 is individually fixed in material transfer mouth including two
2 relative both sides and can the fixed splice 3 of corresponding overlap joint, multigroup splice 3 equidistantly be arranged in parallel, can make envelope
Uniform force of the concrete floor 1 after stifled at material transfer mouth 2, improves the intensity of concrete floor 1.
To ensure that every group of splice 3 overlaps the weight capacity after fixing, template 5 is stretched out in splice 3 in the present embodiment
The length of the cavity volume 51 that combination is formed can be equal to the distance between relative both sides of material transfer mouth 2；Can also be according to design requirement
Advance and adjust, two splices 3 for making corresponding position are fully contacted, convenient overlap joint is fixed, and meets the load-bearing of design requirement
Ability.
On this basis, because in early stage work progress, the material transfer mouth 2 on concrete floor 1 will transmit construction required thing
Material, is the safety for ensureing workmen, strengthens the intensity and solidness of concrete floor 1 near material transfer mouth 2, in the present embodiment
Structure reinforcing bars 4 also include being arranged at the reinforcement 41 of the outside of material transfer mouth 2 and the side wall parallel to material transfer mouth 2, and reinforcement 41 can be with
A row is set to according to design requirement, or it is multiple rows of.
The construction method of the in-situ reinforced concrete slab that the present embodiment is provided also includes closure material transfer mouth 2 after the 3rd step
Method, specifically include will be located at the both sides of material transfer mouth 2 corresponding splice 3 along material transfer mouth 2 upper surface bending after overlap
It is fixed；Sealing template is installed；The casting concrete into sealing template.
Because material transfer mouth 2 is sealed by later stage casting concrete, overlap after fixation at material transfer mouth 2 to share
The load-bearing of every group of splice 3, as shown in figure 1, material transfer mouth 2 can be set to into shoulder hole, the large aperture end in shoulder hole is located at
The top at small-bore end, can also be by the certain angle of the sidewall slope of material transfer mouth 2 so that between large aperture end and small-bore end
Step surface and the concrete that the later stage is poured in material transfer mouth 2 of side wall play certain support and help effect, improve concrete floor 1
Intensity.
Embodiment 2
A kind of in-situ reinforced concrete slab structure is present embodiments provided, as shown in figure 4, including the He of concrete floor 1
Splice 3, is provided with concrete floor 1 and is constructed the material transfer mouth 2 of material for transmitting the grade of template 5, can accelerate to construct into
Degree, shortening construction period；Respectively corresponding pouring is fixed on the relative both sides of material transfer mouth 2 for the bottom of many splices 3
In concrete floor 1, the top of corresponding splice 3 can bend along the upper surface of material transfer mouth 2, mutually can lead to after overlap joint
Cross colligation or be welded and fixed, for later stage closure material transfer mouth 2.
Relative to prior art, the in-situ reinforced concrete slab structure that the present embodiment is provided includes splice 3, reinforcing bar
Joint 3 can be the connection reinforcing bar 42 arranged towards material transfer mouth 2 in concrete floor 1, and connection reinforcing bar 42 is near the end of material transfer mouth 2
The upper surface of portion's concrete floor 1 protruding upward, forms splice 3, simple structure, easy construction；Can also individually take
If one section of reinforcing bar, one end pours to be fixed in concrete floor 1, and the other end stretches out the upper surface of concrete floor 1, forms steel
Muscle joint 3.The splice 3 of the both sides corresponding position of material transfer mouth 2 can bend and overlap fixation to the upper surface of material transfer mouth 2,
It is directly that the splice 3 of corresponding position is fixed by the overlap joint such as colligation or welding when material transfer mouth 2 is blocked, it is not required to
Punch, the operation such as secondary bar planting, not only reduce working procedure, reduce difficulty of construction, short time limit, economy is strong, Er Qiegang
Muscle is directly poured and is fixed in concrete floor, is connected firmly, and the intensity of the concrete floor after sealing is high, and meeting design will
Ask.
Splice in the present embodiment 3 can be multigroup, and every group of splice 3 is individually fixed in material transfer mouth including two
2 relative both sides and can the fixed splice 3 of corresponding overlap joint, multigroup splice 3 equidistantly be arranged in parallel, can make envelope
Uniform force of the floor after stifled at material transfer mouth 2, improves the intensity of concrete floor 1.
To ensure that every group of splice 3 overlaps the weight capacity after fixing, concrete is stretched out in splice 3 in the present embodiment
The length of floor 1 can be equal to the distance between relative both sides of material transfer mouth 2, it is also possible to advanced according to design requirement and adjusted, made
Two splices 3 of corresponding position are fully contacted, and convenient overlap joint is fixed, and improves weight capacity.
Because material transfer mouth 2 is sealed by later stage casting concrete, overlap after fixation at material transfer mouth 2 to share
The load-bearing of every group of splice 3, can be set to shoulder hole by material transfer mouth 2, can also be by the certain angle of the sidewall slope of material transfer mouth 2
Degree, the large aperture end in shoulder hole is located at the upper end at small-bore end so that step surface between large aperture end and small-bore end and
The concrete that side wall is poured in material transfer mouth 2 to the later stage plays certain support and helps effect, improves the intensity of concrete floor 1.
On this basis, because in early stage work progress, the material transfer mouth 2 on concrete floor 1 will transmit construction required thing
Material, is the safety for ensureing workmen, strengthens the intensity and solidness of concrete floor 1 near material transfer mouth 2, in the present embodiment
Also include being arranged at the reinforcement of the outside of material transfer mouth 2 and the side wall parallel to material transfer mouth 2 in the structure of in-situ reinforced concrete slab 1
41, reinforcement 41 can be set to a row according to design requirement, or and it is multiple rows of.
Above content is only presently preferred embodiments of the present invention, for one of ordinary skill in the art, according to the present invention's
Thought, will change in specific embodiments and applications, and this specification content should not be construed as to the present invention
Restriction.
Claims (10)
1. a kind of construction method of in-situ reinforced concrete slab, it is characterised in that include：
The first step：Structure reinforcing bars (4) and fixed, the position of reserved material transfer mouth (2) of the structure reinforcing bars (4) are set up,
Wherein, the position in the relative both sides of the material transfer mouth (2) is respectively fixed with and protrudes upward and corresponding splice
(3), the corresponding splice (3) can mutually overlap fixation after the upper surface bending of the material transfer mouth (2)；
Second step：Installation form (5), the bottom of the splice (3) is located at the template (5) and combines the cavity volume (51) for being formed
In, the template (5) is provided with through hole in the corresponding position of the splice (3), the top of the splice (3) to
On through the through hole；
3rd step：To the interior casting concrete of the cavity volume (51), the bottom of the splice (3) is fixed by the concrete.
2. a kind of construction method of in-situ reinforced concrete slab as claimed in claim 1, it is characterised in that the structural steel
Muscle (4) includes the connection reinforcing bar (42) arranged towards the material transfer mouth (2), and connection reinforcing bar (42) is near the material transfer mouth
(2) the end upper surface in the material transfer mouth (2) protruding upward, forms the splice (3).
3. a kind of construction method of in-situ reinforced concrete slab as claimed in claim 2, it is characterised in that the structural steel
Muscle (4) also includes reinforcement (41), and the reinforcement (41) is arranged at material transfer mouth (2) outside and parallel to the material transfer mouth
(2) side wall.
4. a kind of construction method of in-situ reinforced concrete slab as claimed in claim 1, it is characterised in that after the 3rd step
Also include：4th step：The material transfer mouth (2) is blocked,
Specifically include：Will be positioned at the corresponding described splice (3) of material transfer mouth (2) both sides along the material transfer mouth (2)
Overlap joint is fixed after the bending of upper surface；
Sealing template is installed；
The casting concrete into sealing template.
5. a kind of construction method of the in-situ reinforced concrete slab as described in any one of claim 1-4, it is characterised in that institute
It is multigroup to state splice (3), and it is relative that per group of splice (3) is individually fixed in the material transfer mouth (2) including two
Both sides and can the fixed splice (3) of corresponding overlap joint, multigroup splice (3) equidistantly be arranged in parallel.
6. a kind of in-situ reinforced concrete slab structure, it is characterised in that include
Concrete floor (1), is provided with the material transfer mouth (2) for transmitting material on the concrete floor (1)；With
Splice (3), respectively corresponding pouring is fixed on the material transfer mouth (2) for the bottom of many splices (3)
In the concrete floor (1) of relative both sides, the top of the corresponding splice (3) is along the material transfer mouth (2)
Upper surface bending after can mutually overlap fixation.
7. a kind of in-situ reinforced concrete slab structure as claimed in claim 6, it is characterised in that the concrete floor
(1) the connection reinforcing bar (42) towards the material transfer mouth (2) is provided with, connection reinforcing bar (42) is near the material transfer mouth (2)
The end concrete floor (1) protruding upward upper surface, form the splice (3).
8. a kind of in-situ reinforced concrete slab structure as claimed in claim 7, it is characterised in that the splice (3)
The length for stretching out the concrete floor (1) is equal to the distance between relative both sides of the material transfer mouth (2).
9. a kind of in-situ reinforced concrete slab structure as claimed in claim 7, it is characterised in that the material transfer mouth (2)
Outside is provided with the reinforcement (41) of the side wall parallel to the material transfer mouth (2).
10. a kind of in-situ reinforced concrete slab structure as described in any one of claim 6-9, it is characterised in that the steel
Muscle joint (3) is multigroup, and per group of splice (3) is individually fixed in the relative both sides of the material transfer mouth (2) including two
And corresponding the fixed splice (3) can be overlapped, multigroup splice (3) equidistantly be arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880732.3A CN106639097B (en) | 2016-10-09 | 2016-10-09 | A kind of construction method and floor construction of in-situ reinforced concrete slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880732.3A CN106639097B (en) | 2016-10-09 | 2016-10-09 | A kind of construction method and floor construction of in-situ reinforced concrete slab |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639097A true CN106639097A (en) | 2017-05-10 |
| CN106639097B CN106639097B (en) | 2019-02-19 |
Family
ID=58855065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610880732.3A Active CN106639097B (en) | 2016-10-09 | 2016-10-09 | A kind of construction method and floor construction of in-situ reinforced concrete slab |
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| Country | Link |
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| CN (1) | CN106639097B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107587637A (en) * | 2017-08-22 | 2018-01-16 | 广州协安建设工程有限公司 | The box internal model hollow floor of air-entrained concrete building block and its construction method |
| CN110778110A (en) * | 2019-10-30 | 2020-02-11 | 中国建筑第八工程局有限公司 | Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member |
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| CN1348042A (en) * | 2001-11-23 | 2002-05-08 | 邱则有 | Hollow floor slab with hidden and dense ribs |
| CN1743586A (en) * | 2002-04-30 | 2006-03-08 | 邱则有 | Three-dimensional force-bearing shuttering for steel reinforced concrete |
| CN103243849A (en) * | 2013-05-07 | 2013-08-14 | 中国十七冶集团有限公司 | Method for mounting embedded interior forms of cast-in-place hollow floor |
| CN103806546A (en) * | 2014-03-12 | 2014-05-21 | 初明进 | Connection method of precast reinforced concrete slabs |
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| US20010032425A1 (en) * | 2000-02-03 | 2001-10-25 | Terry Leonard R. | Solid monolithic concrete insulated wall system |
| CN1310276A (en) * | 2000-02-25 | 2001-08-29 | 邱则有 | In-situ deposited steel reinforced concrete hollow roof and its construction process |
| CN1348042A (en) * | 2001-11-23 | 2002-05-08 | 邱则有 | Hollow floor slab with hidden and dense ribs |
| CN1743586A (en) * | 2002-04-30 | 2006-03-08 | 邱则有 | Three-dimensional force-bearing shuttering for steel reinforced concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107587637A (en) * | 2017-08-22 | 2018-01-16 | 广州协安建设工程有限公司 | The box internal model hollow floor of air-entrained concrete building block and its construction method |
| CN107587637B (en) * | 2017-08-22 | 2023-06-27 | 广州协安建设工程有限公司 | Aerated concrete block box type internal mold hollow floor system and construction method thereof |
| CN110778110A (en) * | 2019-10-30 | 2020-02-11 | 中国建筑第八工程局有限公司 | Post-pouring method for plugging plate at hollow-out structure of hyperboloid diagonal grid concrete member |
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| Publication number | Publication date |
|---|---|
| CN106639097B (en) | 2019-02-19 |
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