CN110905160A - Concrete surface layer structure of hangar and construction method thereof - Google Patents
Concrete surface layer structure of hangar and construction method thereof Download PDFInfo
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- CN110905160A CN110905160A CN201911032590.5A CN201911032590A CN110905160A CN 110905160 A CN110905160 A CN 110905160A CN 201911032590 A CN201911032590 A CN 201911032590A CN 110905160 A CN110905160 A CN 110905160A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/14—Construction of joints, e.g. dividing strips
- E04F15/142—Dividing strips or boundary strips
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Abstract
A machine storehouse concrete surface structure and its construction method, including the concrete unit block; the concrete unit blocks are arranged in a group in a matrix shape; the longitudinally adjacent concrete unit blocks are separated by transverse separation seams; a first groove is formed in the side face of the concrete unit block on one side of the longitudinal separation seam; a first bulge is arranged on the side surface of the concrete unit block on the other side of the longitudinal separation seam, and the first bulge is inserted into the first groove; the edges of the concrete unit blocks are respectively provided with steel angle guards; the cross section of the steel angle bead is in an inverted L shape, and a connecting hole is formed in the vertical edge of the steel angle bead; the steel angle bead bolts on the two sides of the longitudinal separation seam are connected; foam plates are filled in the longitudinal separation seams; and sealing strips are filled at the upper parts of the longitudinal separation seams and between the steel angle protectors. The invention solves the technical problems that the traditional steel angle bead is difficult to install and reinforce, steel bars are wasted, the flatness and the straightness of the steel angle bead are difficult to ensure, the construction process of the steel angle bead is complex and the construction progress is slow.
Description
Technical Field
The invention belongs to the field of construction of constructional engineering, and particularly relates to a concrete surface layer structure of a hangar and a construction method thereof.
Background
The floor of a hall of an engineering hangar is a cast-in-place reinforced concrete floor with the thickness of 400mm, the total area is 14655.9 square meters, and the plane size is 147 multiplied by 99.7 m. The longitudinal through seam is required to be arranged in the floor concrete surface layer pouring process, and the steel angle bead is arranged at the vertex angle of the longitudinal seam. The traditional angle steel angle bead is welded and fixed with the measure steel bars through anchor bars, and the setting method has the defects that the angle steel is difficult to install and reinforce, the steel bars are wasted, the flatness and the straightness of the angle steel angle bead are difficult to guarantee, the construction flow of the angle steel angle bead is complex, and the construction progress is slow.
Disclosure of Invention
The invention aims to provide a concrete surface layer structure of a machine warehouse and a construction method thereof, and aims to solve the technical problems that the traditional steel angle bead is difficult to install and reinforce, steel bars are wasted, the flatness and the straightness of the steel angle bead are difficult to ensure, the construction flow of the steel angle bead is complex, and the construction progress is slow.
In order to achieve the purpose, the invention adopts the following technical scheme.
A hangar concrete surface layer structure; comprises concrete unit blocks; the concrete unit blocks are cast in situ, and a group of the concrete unit blocks are arranged in a matrix shape; the transverse adjacent concrete unit blocks are separated by longitudinal separation seams; the longitudinally adjacent concrete unit blocks are separated by transverse separation seams; a first groove is formed in the side face of the concrete unit block on one side of the longitudinal separation seam, and the first groove is formed along the longitudinal axis of the side face; a first bulge is arranged on the side surface of the concrete unit block on the other side of the longitudinal separation seam; the first bulge is arranged corresponding to the first groove and is inserted in the first groove; steel angle guards are respectively arranged on the edges of the concrete unit blocks on the two sides of the longitudinal separation seam; the cross section of the steel angle bead is in an inverted L shape and comprises a transverse edge and a vertical edge connected to one side of the bottom of the transverse edge, and connecting holes are formed in the vertical edge of the steel angle bead at intervals along the longitudinal direction; the steel angle guards on the two sides of the longitudinal separation seam are connected through bolts penetrating in the connecting holes; foam plates are filled in the longitudinal separation seams at positions below the steel corner protectors; sealing strips are filled in gaps between the steel angle guards at the upper parts of the longitudinal separation seams; the top of the sealing strip does not extend beyond the top of the concrete unit block.
Preferably, the concrete unit block has a length of 4m to 6m, a width of 4m to 6m, and a thickness of not less than 400 mm.
Preferably, the first groove is formed by enclosing a top surface, a bottom surface and an inner side surface; the top surface of the first groove is an inclined plane which gradually inclines upwards from inside to outside, and the bottom surface of the first groove is an inclined plane which gradually inclines downwards from inside to outside.
Preferably, the distance between the top of the first groove and the top surface of the concrete unit block is 120 mm-180 mm, and the distance between the bottom of the first groove and the bottom surface of the concrete unit block is 120 mm-180 mm.
Preferably, the length of the transverse edge of the steel corner protector is not less than 50mm, and the length of the vertical edge of the steel corner protector is not less than 50 mm.
Preferably, the foam board is a PE foam board or an extruded polystyrene board; the sealing strip is an anti-corrosion rubber sealing strip.
A construction method of a concrete surface layer structure of a machine warehouse is characterized in that concrete unit blocks are constructed in sequence along the longitudinal direction and in a groove jumping manner along the transverse direction; the construction method of the hangar concrete surface layer structure comprises the following steps.
The method comprises the following steps of firstly, dividing an area of a hangar concrete surface layer to be poured into at least one row of rectangular unit blocks, wherein each row of rectangular unit blocks are arranged along the transverse direction.
And step two, dividing each row of rectangular unit blocks into two subgroups, wherein the rectangular unit blocks of the two subgroups are arranged in a staggered mode.
And thirdly, constructing the concrete unit blocks in a small group of rectangular unit blocks in the first row, comprising the following steps.
And 2, binding reinforcing steel bars in the template constructed in the third step.
And 4, pouring concrete.
And 5, after the concrete reaches the design strength, removing the template.
And fourthly, constructing the concrete unit blocks in the other small group of rectangular unit blocks in the first row, wherein the construction method comprises the following steps.
And step I, installing transverse side dies on the front side and the rear side of the rectangular unit block.
Step II, constructing a foam board: and respectively sticking foam boards on two sides of the concrete unit block constructed in the third step.
And step III, binding reinforcing steel bars in a hole space formed by enclosing the concrete unit block constructed in the step III and the two transverse side molds.
Step IV, mounting a steel corner protector; and connecting the steel angle bead to the bolts of the adjacent concrete unit blocks, and welding the steel angle bead and the steel bar by keeping a space between the two steel angle beads.
And IV, pouring concrete.
And VI, after the concrete reaches the designed strength, dismantling the transverse side mold.
And step five, repeating the process from the step three to the step four, and constructing the concrete unit blocks in the rectangular unit blocks in the rear row in sequence until all the concrete unit blocks are constructed.
And step six, after the concrete reaches the design strength, processing the longitudinal separation seam and the transverse separation seam, and finishing the construction.
Preferably, the method for connecting the steel corner protector to the bolt in the step III comprises the following steps: and the connecting holes of the steel angle bead are arranged on the screw rods of the bolts in a penetrating manner, and nuts are respectively arranged on two sides of the steel angle bead for fixing.
Preferably, the distance between the two steel angle protectors in the step III is 20 mm-25 mm.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The longitudinal side die and the steel angle bead are connected through the bolts, so that the technical problem that the steel angle bead is difficult to install and reinforce is solved, the flatness and the straightness of the steel angle bead are guaranteed, the construction process of the steel angle bead is simplified, and the construction progress is accelerated.
2. The steel angle protectors of the adjacent concrete unit blocks are connected by the bolts, so that the steel angle anchor bars are prevented from being welded and fixed with the measure steel bars, the arrangement of the measure steel bars is saved, materials are saved, and the cost is reduced.
3. The construction sequence of the concrete unit blocks in the construction method is that the concrete unit blocks are sequentially constructed along the longitudinal direction and the groove jumping construction is carried out along the transverse direction; when the steel angle bead on the concrete unit block in another small group of rectangular unit blocks in the first row is constructed, the steel angle bead is connected to the bolt of the adjacent concrete unit block, the method for constructing the steel angle bead is simple and convenient and easy to operate, and the technical problems of the defects that the traditional steel angle bead is difficult to install and reinforce, steel bars are wasted, the flatness and the straightness of the steel angle bead are difficult to guarantee, the construction process of the steel angle bead is complex and the construction progress is slow are solved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a layout view of longitudinal and transverse separation seams of a hangar concrete deck structure of the present invention.
FIG. 2 is a vertical cross-sectional view of a longitudinal separation slit of the present invention.
Fig. 3 is a schematic view of a steel corner protector connection node between adjacent concrete unit blocks in the present invention.
Fig. 4 is a schematic structural view of a steel corner protector according to the present invention.
Fig. 5 is a schematic view of the structure of the second longitudinal side die in the present invention.
Fig. 6 is a schematic view of the structure of the first longitudinal side die in the present invention.
Fig. 7 is a schematic view of a connection structure of the steel corner protector and the first longitudinal side die and the second longitudinal side die respectively.
Fig. 8 is a structural schematic diagram of the steel corner protector after installation in step iv of the present invention.
Reference numerals: the concrete block comprises 1-concrete unit block, 2-longitudinal separation seam, 3-transverse separation seam, 4-first groove, 5-first protrusion, 6-steel corner protector, 6.1-transverse edge, 6.2-vertical edge, 7-connecting hole, 8-foam board, 9-sealing strip, 10-bolt, 11-first longitudinal side die, 12-second longitudinal side die, 13-second protrusion, 14-second groove, 15-steel bar, 16-first pore channel and 17-second pore channel.
Detailed Description
This embodiment designs to concrete floor steel form and angle steel angle bead system that certain engineering 400mm is thick, utilizes vertical side form and 6 adoption bolts 10 of steel angle bead to be connected to solve the technical problem of 6 installation of steel angle bead and reinforcement difficulty, and the roughness and the straightness accuracy of the steel angle bead 6 of assurance simplify the construction flow of steel angle bead 6 simultaneously, accelerate the construction progress.
As shown in fig. 1-4, the concrete surface layer structure of the hangar comprises concrete unit blocks 1; the concrete unit blocks 1 are cast in situ, and the concrete unit blocks 1 are arranged in a matrix shape; the concrete unit blocks 1 which are adjacent in the transverse direction are separated by a longitudinal separation slit 2; the longitudinally adjacent concrete unit blocks 1 are separated by transverse separation seams 3; a first groove 4 is formed in the side face of the concrete unit block 1 on one side of the longitudinal separation seam 2, and the first groove 4 is formed along the longitudinal axis of the side face; a first bulge 5 is arranged on the side surface of the concrete unit block 1 on the other side of the longitudinal separation seam 2; the first protrusion 5 is arranged corresponding to the first groove 4 and is inserted into the first groove 4; the edges of the concrete unit blocks 1 on two sides of the longitudinal separation seam 2 are respectively provided with a steel angle bead 6; the cross section of the steel angle bead 6 is in an inverted L shape and comprises a transverse edge 6.1 and a vertical edge 6.2 connected to one side of the bottom of the transverse edge 6.1, and the vertical edge 6.2 of the steel angle bead 6 is provided with connecting holes 7 at intervals along the longitudinal direction; the steel angle guards 6 at two sides of the longitudinal separation seam 2 are connected through bolts 10 arranged in the connecting holes 7 in a penetrating way; the foam plate 8 is filled in the longitudinal separation seam 2 at the position below the steel corner protector 6; the sealing strips 9 are filled in the gaps between the steel angle guards 6 at the upper parts of the longitudinal separation seams 2; the top of the sealing strip 9 does not extend beyond the top of the concrete unit block 1.
In this embodiment, the concrete unit block 1 has a length of 4m to 6m, a width of 4m to 6m, and a thickness of not less than 400 mm.
In this embodiment, the first groove 4 is formed by enclosing a top surface, a bottom surface and an inner side surface; the top surface of the first groove 4 is an inclined surface which gradually inclines upwards from inside to outside, and the bottom surface of the first groove 4 is an inclined surface which gradually inclines downwards from inside to outside.
In this embodiment, the distance between the top of the first groove 4 and the top surface of the concrete unit block 1 is 120mm to 180mm, and the distance between the bottom of the first groove 4 and the bottom surface of the concrete unit block 1 is 120mm to 180 mm.
In this embodiment, the length of the transverse edge 6.1 of the steel corner protector 6 is not less than 50mm, and the length of the vertical edge 6.2 of the steel corner protector 6 is not less than 50 mm.
In this embodiment, the depth of the second groove 14 is 350mm to 500mm, and the height of the second groove 14 is 800mm to 1200 mm; the width of the side surface of the second bulge 13, which exceeds the corresponding side of the first longitudinal side die 11, is 350 mm-500 mm, and the height of the second bulge 13 is 800 mm-1200 mm.
In this embodiment, the height of the first longitudinal side mold 11 is not less than 4000mm, and the width of the first longitudinal side mold 11 is 900mm to 1000 mm; the height of the second longitudinal side die 12 is not less than 4000mm, and the width of the second longitudinal side die 12 is 900 mm-1000 mm.
In this embodiment, the foam board 8 is a PE foam board; the sealing strip 9 is an anti-corrosion rubber sealing strip.
Of course in other embodiments the foam board 8 may also be an extruded polystyrene board.
As shown in fig. 5-8, in the construction method of the concrete surface layer structure of the hangar, the concrete unit blocks 1 are constructed in sequence along the longitudinal direction and in groove jumping along the transverse direction; the construction method of the hangar concrete surface layer structure comprises the following steps.
The method comprises the following steps of firstly, dividing an area of a hangar concrete surface layer to be poured into at least one row of rectangular unit blocks, wherein each row of rectangular unit blocks are arranged along the transverse direction.
And step two, dividing each row of rectangular unit blocks into two subgroups, wherein the rectangular unit blocks of the two subgroups are arranged in a staggered mode.
And step three, constructing the concrete unit blocks 1 in a small group of rectangular unit blocks in the first row, comprising the following steps.
And 2, binding reinforcing steel bars 15 in the template constructed in the third step.
And 4, pouring concrete.
And 5, after the concrete reaches the design strength, removing the template.
And fourthly, constructing the concrete unit block 1 in another small group of rectangular unit blocks in the first row, and comprising the following steps.
And step I, installing transverse side dies on the front side and the rear side of the rectangular unit block.
Step II, constructing a foam board 8: and respectively sticking foam plates 8 on two sides of the concrete unit block 1 constructed in the third step.
And step III, binding reinforcing steel bars 15 in a hole space formed by the concrete unit block 1 constructed in the step III and the two transverse side molds in a surrounding mode.
Step IV, mounting a steel corner protector 6; and connecting the steel angle bead 6 to the bolts 10 of the adjacent concrete unit blocks 1, reserving a space between the two steel angle beads 6, and welding the steel angle bead 6 and the reinforcing steel bar 15.
And V, pouring concrete.
And VI, after the concrete reaches the designed strength, dismantling the transverse side mold.
And step five, repeating the process from the step three to the step four, and constructing the concrete unit blocks 1 in the rectangular unit blocks in the rear row in sequence until all the concrete unit blocks 1 are constructed.
And step six, after the concrete reaches the design strength, processing the longitudinal separation seams 2 and the transverse separation seams 3, and finishing the construction.
In this embodiment, the method for connecting the steel corner protector 6 to the bolt 10 in step iii is as follows: the connecting hole 7 of the steel angle bead 6 is arranged on the screw rod of the bolt 10 in a penetrating way, and nuts are respectively arranged on the two sides of the steel angle bead 6 for fixing.
In the embodiment, the distance between the two steel angle protectors 6 in the step III is 20 mm-25 mm.
In the embodiment, before the templates around the rectangular unit blocks are installed in the step 1, the ground below the templates is leveled by cement mortar with the same mark number, and after the positions of the templates are determined, the templates are installed and reinforced on the ground in a line snapping mode.
In this embodiment, the reinforcing bars 15 are stressed reinforcing bars of a concrete surface layer structure of the hangar.
In this embodiment, after all the concrete unit blocks 1 are constructed in the fifth step, concrete ground maintenance and measures for preventing cracks are performed, and the specific method is as follows.
1. The concrete of the concrete unit block 1 starts to cover and is watered for curing within 12 hours after being poured under natural conditions, the surface of the concrete is watered to keep moist, and the watering curing of the concrete is generally not less than 14 days; the person walks in front of the chair after the compressive strength reaches 5 MPa; the compressive strength can be normally used after meeting the design requirement.
2. When the concrete surface layer structure is constructed, effective measures are taken to reduce hydration and temperature rise of concrete in the hardening process, and enough construction steel bars are arranged at the positions where cracks are expected to be generated or induced cracks are arranged.
The above embodiments are not intended to be exhaustive or to limit the invention to other embodiments, and the above embodiments are intended to illustrate the invention and not to limit the scope of the invention, and all applications that can be modified from the invention are within the scope of the invention.
Claims (9)
1. A hangar concrete surface layer structure; the method is characterized in that: comprises concrete unit blocks (1); the concrete unit blocks (1) are cast in situ, and one group of the concrete unit blocks (1) are arranged in a matrix shape; the concrete unit blocks (1) which are adjacent in the transverse direction are separated by a longitudinal separation seam (2); the longitudinally adjacent concrete unit blocks (1) are separated by transverse separation seams (3); a first groove (4) is formed in the side face of the concrete unit block (1) on one side of the longitudinal separation seam (2), and the first groove (4) is formed along the longitudinal axis of the side face; a first bulge (5) is arranged on the side surface of the concrete unit block (1) on the other side of the longitudinal separation seam (2); the first bulge (5) is arranged corresponding to the first groove (4) and is inserted into the first groove (4); the edges of the concrete unit blocks (1) on the two sides of the longitudinal separation seam (2) are respectively provided with a steel angle bead (6); the cross section of the steel angle bead (6) is in an inverted L shape and comprises a transverse edge (6.1) and a vertical edge (6.2) connected to one side of the bottom of the transverse edge (6.1), and connecting holes (7) are formed in the vertical edge (6.2) of the steel angle bead (6) at intervals along the longitudinal direction; the steel angle guards (6) at two sides of the longitudinal separation seam (2) are connected through bolts (10) arranged in the connecting holes (7) in a penetrating way; a foam plate (8) is filled in the longitudinal separation seam (2) at a position below the steel corner protector (6); sealing strips (9) are filled in gaps between the steel angle guards (6) at the upper parts of the longitudinal separation seams (2); the top of the sealing strip (9) does not exceed the top of the concrete unit block (1).
2. The hangar concrete deck structure of claim 1, wherein: the concrete unit block (1) has a length of 4-6 m, a width of 4-6 m and a thickness of not less than 400 mm.
3. The hangar concrete deck structure of claim 1, wherein: the first groove (4) is formed by enclosing a top surface, a bottom surface and an inner side surface; the top surface of the first groove (4) is an inclined plane which gradually inclines upwards from inside to outside, and the bottom surface of the first groove (4) is an inclined plane which gradually inclines downwards from inside to outside.
4. The hangar concrete deck structure of claim 1, wherein: the distance between the top of the first groove (4) and the top surface of the concrete unit block (1) ranges from 120mm to 180mm, and the distance between the bottom of the first groove (4) and the bottom surface of the concrete unit block (1) ranges from 120mm to 180 mm.
5. The hangar concrete deck structure of claim 1, wherein: the length of the transverse edge (6.1) of the steel angle bead (6) is not less than 50mm, and the length of the vertical edge (6.2) of the steel angle bead (6) is not less than 50 mm.
6. The hangar concrete deck structure of claim 1, wherein: the foam board (8) is a PE foam board or an extruded polystyrene board; the sealing strip (9) is an anti-corrosion rubber sealing strip.
7. A construction method of the hangar concrete surface layer structure of any one of claims 1 to 6, which is characterized in that: the construction sequence of the concrete unit blocks (1) is that the concrete unit blocks are sequentially constructed along the longitudinal direction and the groove jumping construction is carried out along the transverse direction;
the construction method of the hangar concrete surface layer structure comprises the following steps:
dividing an area of a hangar concrete surface layer to be poured into at least one row of rectangular unit blocks, wherein each row of rectangular unit blocks are arranged along the transverse direction;
dividing each row of rectangular unit blocks into two small groups, wherein the rectangular unit blocks of the two small groups are arranged in a staggered mode;
step three, constructing the concrete unit block (1) in a small group of rectangular unit blocks in the first row, comprising the following steps:
step 1, installing templates around the rectangular unit blocks: respectively installing templates around the rectangular unit blocks of one small group in the first row; the formwork comprises a first longitudinal side die (11), a second longitudinal side die (12) and a transverse side die; the first longitudinal side die (11) is arranged on one side of the concrete unit block (1) to be poured, wherein the first groove (4) is formed in the side, a second bulge (13) is arranged on the first longitudinal side die (11) and at a position corresponding to the first groove (4), and a first hole channel (16) for allowing a bolt (10) to pass through is formed in the upper portion of the first longitudinal side die (11); the second longitudinal side die (12) is arranged on one side of the concrete unit block (1) to be poured, which is provided with the first bulge (5), a second groove (14) is arranged on the second longitudinal side die (12) at a position corresponding to the first bulge (5), and a second pore channel (17) for passing through the bolt (10) is formed in the upper part of the second longitudinal side die (12); the transverse side molds are respectively arranged at the front side surface and the rear side surface of the concrete unit block (1) to be cast;
step 2, binding reinforcing steel bars (15) in the template constructed in the step three;
step 3, mounting the steel angle bead (6); connecting a steel angle bead (6) to a first longitudinal side die (11) and a second longitudinal side die (12) by using bolts (10) respectively, and welding the steel angle bead (6) and a steel bar (15);
step 4, pouring concrete;
step 5, after the concrete reaches the design strength, the template is dismantled;
step four, constructing the concrete unit block (1) in another small group of rectangular unit blocks in the first row, comprising the following steps:
step I, installing transverse side dies on the front side and the rear side of a rectangular unit block;
step II, constructing a foam board (8): respectively sticking foam plates (8) on two sides of the concrete unit block (1) constructed in the third step;
step III, binding reinforcing steel bars (15) in a hole space formed by the concrete unit block (1) constructed in the step three and the two transverse side molds in a surrounding mode;
step IV, mounting a steel corner protector (6); connecting the steel angle bead (6) to the bolt (10) of the adjacent concrete unit block (1), reserving a space between the two steel angle beads (6), and welding the steel angle bead (6) and the steel bar (15);
step V, pouring concrete;
step VI, after the concrete reaches the design strength, dismantling the transverse side mold;
step five, repeating the process from the step three to the step four, and constructing the concrete unit blocks (1) in the rectangular unit blocks in the rear row in sequence until all the concrete unit blocks (1) are constructed;
and step six, after the concrete reaches the designed strength, processing the longitudinal separation seams (2) and the transverse separation seams (3) until the construction is finished.
8. The construction method of the hangar concrete surface layer structure according to claim 7, characterized in that: the method for connecting the steel angle bead (6) to the bolt (10) in the step III comprises the following steps: the connecting holes (7) of the steel angle bead (6) are arranged on the screw rods of the bolts (10) in a penetrating mode, and nuts are arranged on two sides of the steel angle bead (6) respectively for fixing.
9. The construction method of the hangar concrete surface layer structure according to claim 7, characterized in that: and in the step III, the distance between the two steel angle protectors (6) is 20-25 mm.
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| CN201911032590.5A CN110905160B (en) | 2019-10-28 | 2019-10-28 | Construction method of hangar concrete surface layer structure |
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| CN201911032590.5A CN110905160B (en) | 2019-10-28 | 2019-10-28 | Construction method of hangar concrete surface layer structure |
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| WO2005111307A1 (en) * | 2004-05-19 | 2005-11-24 | Coredis S.A. | Lightweight metal joint for concrete surfaces |
| CN204690681U (en) * | 2015-05-06 | 2015-10-07 | 吉林省久盛绿色建材股份有限公司 | The building block of large swallow-tail form slope protection concrete |
| CN105544843A (en) * | 2015-12-14 | 2016-05-04 | 四川省宜宾市吴桥建材工业有限责任公司 | Sound-insulation type autoclaved aerated concrete building block |
| CN206070286U (en) * | 2016-09-07 | 2017-04-05 | 北京现代汽车有限公司 | The constructing device and mattess of mattess |
| CN108331290A (en) * | 2018-01-11 | 2018-07-27 | 中国航空规划设计研究总院有限公司 | A kind of terrace system and its construction method for climatic environment laboratory |
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2019
- 2019-10-28 CN CN201911032590.5A patent/CN110905160B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005111307A1 (en) * | 2004-05-19 | 2005-11-24 | Coredis S.A. | Lightweight metal joint for concrete surfaces |
| CN204690681U (en) * | 2015-05-06 | 2015-10-07 | 吉林省久盛绿色建材股份有限公司 | The building block of large swallow-tail form slope protection concrete |
| CN105544843A (en) * | 2015-12-14 | 2016-05-04 | 四川省宜宾市吴桥建材工业有限责任公司 | Sound-insulation type autoclaved aerated concrete building block |
| CN206070286U (en) * | 2016-09-07 | 2017-04-05 | 北京现代汽车有限公司 | The constructing device and mattess of mattess |
| CN108331290A (en) * | 2018-01-11 | 2018-07-27 | 中国航空规划设计研究总院有限公司 | A kind of terrace system and its construction method for climatic environment laboratory |
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