CN114277849B - Construction method of post-cast strip disassembly-free composite water stop template - Google Patents
Construction method of post-cast strip disassembly-free composite water stop template Download PDFInfo
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- CN114277849B CN114277849B CN202111351902.6A CN202111351902A CN114277849B CN 114277849 B CN114277849 B CN 114277849B CN 202111351902 A CN202111351902 A CN 202111351902A CN 114277849 B CN114277849 B CN 114277849B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 239000002131 composite material Substances 0.000 title claims abstract description 105
- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 239000004567 concrete Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 3
- 238000011900 installation process Methods 0.000 abstract description 2
- 150000001875 compounds Chemical class 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A construction method of a post-cast strip disassembly-free composite water stop template comprises the following steps: s1, positioning a composite water stop template; s2, installing a main rib of the post-cast strip; s3, installing an inner support; s4, installing a longitudinal connecting rod component; s5, dismantling; the invention solves the process complexity in the traditional template and water stop installation process, solves the problems of high construction difficulty and difficult construction in the traditional scheme, and has the advantages of convenient assembly and disassembly, high efficiency and quick construction period.
Description
Technical Field
The invention belongs to the technical field of foundation structure joint arrangement, and particularly relates to a construction method of a post-cast strip disassembly-free composite water stop template.
Background
In order to prevent harmful cracks possibly generated by uneven self shrinkage and uneven settlement of a cast-in-situ reinforced concrete structure in building construction and further endanger the safety of a building, a concrete belt which has a certain width and is poured after a certain time is reserved at the corresponding positions of a beam, a plate, a wall and the like, and the concrete belt is called post-pouring belt for short. Because the post-pouring band width is not large, the steel bars are not allowed to be disconnected, the operation space is narrow, and the construction is very difficult.
When concrete on two sides of the post-pouring belt is poured, if the template can only be constructed from the post-pouring belt according to the traditional method, the following adverse factors exist: (1) the steel bars cannot be broken in the post-cast strip, and reinforcing ribs exist, so that the net spacing of the steel bars is smaller and is generally smaller than 10cm; (2) the post-cast strip space is narrow and small and wide, the height is less than 1m, the post-cast strip is influenced by a metal water stop plate in hydraulic engineering, the template is installed and fixed, particularly the difficulty is increased after concrete pouring, and the efficiency is too low. (3) Because the operation can only be carried out outside the post-pouring belt, the template can not be dismantled in a whole, and only violence can be used, so that the efficiency is low and the cost is high. (4) The construction difficulties such as waste residue clearance after the template is demolishd, contact surface roughening are big, have the quality hidden danger. (5) Due to the influence of the factors, the construction difficulty is high, the period is long, and the influence on the construction period is remarkable.
Disclosure of Invention
The invention aims to solve the problems of difficult construction, high cost and long construction period in the prior art, and provides a construction method of a post-cast strip disassembly-free composite water stop template which is reasonable in design, convenient to install and detach, high in construction efficiency and flexible in construction.
The technical scheme adopted for solving the technical problems is as follows: the construction method of the post-pouring strip disassembly-free composite water stop template comprises the steps that the upper ends of a first composite water stop template and a second composite water stop template which are identical in structure are provided with first connecting rods at equal intervals along the length direction, the lower ends of the first composite water stop template and the second composite water stop template are provided with second connecting rods at equal intervals along the length direction, the middle parts of the first composite water stop template and the second composite water stop template are provided with a first inner supporting frame and a second inner supporting frame at equal intervals in a staggered mode, at least 1 group of longitudinal connecting rod components are arranged on the first inner supporting frame and the second inner supporting frame, and the upper surface of the first composite water stop template is provided with an upper template vertically and the lower surface of the first composite water stop template is provided with a lower template vertically; the method comprises the following steps:
s1, positioning a composite water stop template
After paying off, the first composite water stop template 1 and the second composite water stop template 5 are temporarily fixed after being transported in place in the field manually;
s2, installing main ribs of post-cast strip
Starting from one end, penetrating a second connecting rod into the mounting holes of the lower templates of the first composite water stop template and the second composite water stop template in sequence, binding mortar cushion blocks on the steel bars close to the inner sides of the lower templates of the first composite water stop template and the second composite water stop template, correcting the positions of the first composite water stop template and the second composite water stop template, spot-welding and fixing the first composite water stop template and the second composite water stop template with the second connecting rod after error-free, penetrating a first connecting rod into the mounting holes of the upper templates of the first composite water stop template and the second composite water stop template in sequence, correcting the positions of the first composite water stop template and the second composite water stop template, and spot-welding and fixing the first composite water stop template and the second composite water stop template with the first connecting rod after error-free;
s3, installing an inner support
A first inner support frame and a second inner support frame are installed between the first composite water stop template and the second composite water stop template in a staggered manner, two reinforcing ribs of the first inner support frame are respectively installed on lower templates of the first composite water stop template and the second composite water stop template, two reinforcing ribs of the second inner support frame are respectively installed on upper templates of the first composite water stop template and the second composite water stop template, the center distance between adjacent first inner support frame and second inner support frame is 15cm, and the first inner support frame and the second inner support frame are respectively adjusted to enable stiffening ribs to be fully contacted with the templates, so that the first composite water stop template and the second composite water stop template are prevented from deforming in the concrete pouring process;
s4, mounting a longitudinal connecting rod component
A group of longitudinal connecting rod members are respectively arranged on two sides of the first inner support frame and the second inner support frame to prevent the first inner support frame and the second inner support frame from moving upwards in the concrete pouring process;
s5, dismantling
Firstly, loosening the steel pipe locating piece of the longitudinal connecting rod component, detaching the longitudinal connecting rod component, then respectively loosening the wire sleeves of the first inner support frame and the second inner support frame, enabling the two inner support frames to be retracted and separated from the side die, and taking out manually.
As a preferable technical scheme, the upper template is characterized in that a first flat plate, a second flat plate and a third flat plate are sequentially connected, the included angle between the first flat plate and the second flat plate is 120-150 degrees, and the first flat plate is parallel to the third flat plate; the lower template and the upper template have the same structure.
As a preferable technical scheme, the first inner supporting frame is: one end of the first wire sleeve is provided with a first left supporting leg, the other end of the first wire sleeve is provided with a first right supporting leg, the first left supporting leg is in a structure that one end of a first transverse connecting rod is provided with a first supporting rod, an included angle between the transverse connecting rod and the first supporting rod is an obtuse angle, the side surface of the first supporting rod is provided with a second supporting rod, and the end parts of the first supporting rod and the second supporting rod are provided with a first left reinforcing rib matched with the lower template; the first right supporting leg structure is the same as the first left supporting leg, and a first right reinforcing rib matched with the lower template is welded at the lower end of the first right supporting leg.
As a preferable technical scheme, the second inner supporting frame is: one end of the second wire sleeve is provided with a second left supporting leg, the other end of the second wire sleeve is provided with a second right supporting leg, the structure of the second left supporting leg is that one end of a second transverse connecting rod is provided with a third supporting rod, an included angle between the second transverse connecting rod and the third supporting rod is an obtuse angle, the side surface of the third supporting rod is provided with a fourth supporting rod, and the end parts of the third supporting rod and the fourth supporting rod are provided with second reinforcing ribs matched with the upper template; the second right supporting leg structure is the same as the second left supporting leg, and a second right reinforcing rib matched with the upper template is welded at the lower end of the second right supporting leg.
As a preferable technical scheme, the longitudinal connecting rod member is: at least two clamps fix two parallel steel pipes into a whole.
As a preferable technical scheme, the fixture is: the upper end of the vertical rod of the T-shaped component is in threaded connection with a steel pipe locating piece, and the lower surface of the steel pipe locating piece is provided with two arc-shaped surfaces which are connected into a whole.
The beneficial effects of the invention are as follows:
the invention solves the process complexity in the traditional template and water stop installation process, solves the problems of large construction difficulty and difficult construction in the traditional scheme, and has the advantages of convenient assembly and disassembly, high efficiency and quick construction period; the invention avoids the construction of personnel between two layers of steel bars in the post-cast strip, and is safe and reliable; the installation error of the steel bar is reduced to the maximum extent, and the construction quality is ensured; the first inner support frame and the second inner support frame can be recycled, so that a large amount of labor in the traditional reinforcement method is avoided, and the construction cost is effectively controlled; because of the reduction of the welding quantity, the construction noise is reduced, no toxic and harmful substances are generated, and the environment is protected.
Drawings
Fig. 1 is a schematic view of the construction flow of the present invention.
Fig. 2 is a schematic structural view of a template construction to which the present invention is applied.
Fig. 3 is a schematic structural view of the first composite water stop form 1 in fig. 2.
Fig. 4 is a schematic structural view of the first inner support frame 3 in fig. 2.
Fig. 5 is a schematic structural view of the second inner support frame 2 in fig. 2.
Fig. 6 is a schematic view of the structure of the longitudinal link member 7 in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, but the present invention is not limited to the following embodiments.
In fig. 2, the construction method of the post-pouring strip disassembly-free composite water stop template of the embodiment is characterized in that the template structure is formed by connecting a first composite water stop template 1, a second inner support frame 2, a first inner support frame 3, a second connecting rod 4, a second composite water stop template 5, a first connecting rod 6 and a longitudinal connecting rod member 7, wherein the first connecting rod 6 is arranged at the upper end between the first composite water stop template 1 and the second composite water stop template 5 with the same structure at equal intervals along the length direction, the second connecting rod 4 is arranged at the lower end along the length direction at equal intervals, the first connecting rod 6 and the second connecting rod 4 are steel bars and are main bars of the post-pouring strip, the middle part between the first compound water stop template 1 and the second compound water stop template 5 is provided with a first inner support frame 3 and a second inner support frame 2 in an equidistant staggered way, the distance between the adjacent first inner support frame 3 and second inner support frame 2 is 15cm, the first inner support frame 3 is used for fixing the lower template 1-3 of the first compound water stop template 1 and the second compound water stop template 5, the second inner support frame 2 is used for fixing the upper template 1-1 of the first compound water stop template 1 and the second compound water stop template 5, 2 groups of longitudinal connecting rod members 7 are arranged on the first inner support frame 3 and the second inner support frame 2 along the length direction of the first compound water stop template 1, and the longitudinal connecting rod members 7 are fixed on the first connecting rod 6 and used for preventing the first inner support frame 3 and the second inner support frame 2 from moving upwards.
In FIG. 3, a first composite water stop template 1 of the present embodiment is a steel water stop plate 1-2, an upper template 1-1 is vertically welded to the upper surface of the steel water stop plate 1-2, a lower template 1-3 is vertically welded to the lower surface of the steel water stop plate, the upper template 1-1 is composed of a first flat plate 1-1-1, a second flat plate 1-1-2 and a third flat plate 1-1-3 which are sequentially connected, the included angle between the first flat plate 1-1-1 and the second flat plate 1-1-2 is 130 degrees, 110 degrees, 150 degrees, the first flat plate 1-1-1 is parallel to the third flat plate 1-1-3, and the first flat plate 1-1 is
The upper end of the flat plate 1-1-1 is uniformly provided with mounting holes a along the length direction, the aperture of the mounting holes a is 30mm, the hole distance is 75mm, the mounting holes a are used for mounting the first connecting rod 6, the lower template 1-3 and the upper template 1-1 are identical in structure, and the mounting holes of the lower template 1-3 are used for mounting the second connecting rod 4.
In fig. 4, the first inner supporting frame 3 of the present embodiment is formed by connecting a first wire sleeve 3-1, a first right supporting leg 3-2, a first right reinforcing rib 3-3, a first left reinforcing rib 3-4 and a first left supporting leg 3-5, wherein a through hole is processed in the middle of the first wire sleeve 3-1, one end of the first wire sleeve 3-1 is connected with the first left supporting leg 3-5 in a threaded manner, the other end of the first wire sleeve 3-1 is connected with the first right supporting leg 3-2 in a threaded manner, one end of the first left supporting leg 3-5 is provided with threads, the other end of the first left supporting leg 3-5 is provided with a first supporting rod 3-5-2, an included angle between the first transverse connecting rod 3-5-1 and the first supporting rod 3-5-2 is 110 °, a second supporting rod 3-5-3 is processed on the side surface of the first supporting rod 3-5-2, and a first left reinforcing rib 3-4 matched with the lower template 1-3 is welded at the ends of the first supporting rod 3-5-2 and the second supporting rod 3-5-3; the first right supporting leg 3-2 has the same structure as the first left supporting leg 3-5, and the lower end of the first right supporting leg 3-2 is welded with a first right reinforcing rib 3-3 matched with the lower template 1-3. During installation, the first left reinforcing rib 3-4 of the first inner supporting frame 3 is installed on the lower die plate 1-3 of the first composite water stop die plate 1, the first right reinforcing rib 3-3 is installed on the lower die plate of the second composite water stop die plate 5, and then the first wire sleeve 3-1, the first left supporting leg 3-5 and the first right supporting leg 3-2 are screwed up through the through holes in the first wire sleeve 3-1.
In fig. 5, the second inner supporting frame 2 of the present embodiment is formed by connecting a second wire sleeve 2-1, a second right supporting leg 2-2, a second right reinforcing rib 2-3, a second left reinforcing rib 2-4 and a second left supporting leg 2-5, wherein a through hole is processed in the middle of the second wire sleeve 2-1, one end of the second wire sleeve 2-1 is connected with the second left supporting leg 2-5 in a threaded manner, the other end of the second wire sleeve 2-1 is connected with the second right supporting leg 2-2 in a threaded manner, one end of the second left supporting leg 2-5-1 is processed with threads, the other end of the second left supporting leg 2-5 is processed with a third supporting rod 2-5-2, an included angle between the second transverse connecting rod 2-5-1 and the third supporting rod 2-5-2 is 130 °, a fourth supporting rod 2-5-3 is processed on the side surface of the third supporting rod 2-5-2, and a second left reinforcing rib 2-4 matched with the upper template is welded at the ends of the third supporting rod 2-5-2 and the fourth supporting rod; the structure of the second right supporting leg 2-2 is the same as that of the second left supporting leg 2-5, and a second right reinforcing rib 2-3 matched with the upper template is welded at the lower end of the second right supporting leg 2-2. During installation, the second left reinforcing rib 2-4 of the second inner supporting frame 2 is installed on the upper template 1-1 of the first composite water stop template 1, the second right reinforcing rib 2-3 is installed on the upper template of the second composite water stop template 5, and then the second wire sleeve 2-1, the second left supporting leg 2-5 and the second right supporting leg 2-2 are screwed up through the through holes on the second wire sleeve 2-1.
In fig. 6, a longitudinal connecting rod member 7 of the present embodiment is composed of steel pipes 7-1 and clamps 7-2, wherein four clamps 7-2 fix two parallel steel pipes 7-1 as a whole and fixedly connected with a first connecting rod 6, the clamps 7-2 are T-shaped members, and steel pipe positioning pieces are connected with the upper ends of the vertical rods of the T-shaped members in a threaded manner and are mountain-shaped clamps.
The construction method of the post-cast strip disassembly-free composite water stop template of the embodiment, as shown in fig. 1, comprises the following steps:
s1, positioning a composite water stop template
After paying off, the first composite water stop template 1 and the second composite water stop template 5 are temporarily fixed after being transported in place in the field manually;
s2, installing main ribs of post-cast strip
Starting from one end, penetrating a second connecting rod 4 into the mounting holes of the lower templates of the first composite water stop template 1 and the second composite water stop template 5 in sequence, binding mortar cushion blocks on steel bars close to the inner sides of the lower templates of the first composite water stop template 1 and the second composite water stop template 5, correcting the positions of the first composite water stop template 1 and the second composite water stop template 5, fixing the positions with the second connecting rod 4 through spot welding after error-free, penetrating a first connecting rod 6 into the mounting holes of the upper templates of the first composite water stop template 1 and the second composite water stop template 5 in sequence, correcting the positions of the first composite water stop template 1 and the second composite water stop template 5, and fixing the positions with the first connecting rod 6 through spot welding after error-free;
s3, installing an inner support
A first inner support frame 3 and a second inner support frame 2 are arranged between a first composite water stop template 1 and a second composite water stop template 5 in a staggered manner, two reinforcing ribs of the first inner support frame 3 are respectively arranged on lower templates 1-3 of the first composite water stop template 1 and the second composite water stop template 5, two reinforcing ribs of the second inner support frame 2 are respectively arranged on upper templates 1-1 of the first composite water stop template 1 and the second composite water stop template 5, the center distance between adjacent first inner support frame 3 and second inner support frame 2 is 15cm, and the first inner support frame 3 and the second inner support frame 2 are respectively adjusted to enable the reinforcing ribs to be fully contacted with the templates, so that the first composite water stop template 1 and the second composite water stop template 5 are prevented from deforming in the concrete pouring process;
s4, mounting a longitudinal connecting rod member 7
A group of longitudinal connecting rod members 7 are respectively arranged at two sides of the first inner support frame 3 and the second inner support frame 2 to prevent the first inner support frame 3 and the second inner support frame 2 from moving upwards in the concrete pouring process;
s5, dismantling
The mountain-shaped clamp of the longitudinal connecting rod member 7 is firstly loosened, the longitudinal connecting rod member 7 is disassembled, and then the silk sleeves of the first inner supporting frame 3 and the second inner supporting frame 2 are respectively loosened, so that the two inner supporting frames are retracted to be separated from the side mould, and the silk sleeves are manually taken out.
Claims (3)
1. A construction method of a post-cast strip disassembly-free composite water stop template is characterized by comprising the following steps of: the method comprises the steps that the templates applied by the method are structured into a first composite water stop template (1) and a second composite water stop template (5) which are identical in structure, a first connecting rod (6) is arranged at the upper end of the first composite water stop template along the length direction at equal intervals, a second connecting rod (4) is arranged at the lower end of the second composite water stop template along the length direction at equal intervals, a first inner supporting frame (3) and a second inner supporting frame (2) are arranged at the middle part of the first composite water stop template (1) and the second composite water stop template (5) at equal intervals in a staggered mode, at least 1 group of longitudinal connecting rod members (7) are arranged on the first inner supporting frame (3) and the second inner supporting frame (2), the upper surface of the first composite water stop template (1) is provided with an upper template (1-1) vertically, and the lower surface of the first composite water stop template (1-3) is provided with a lower template vertically; the upper template (1-1) is structurally characterized in that a first flat plate (1-1-1), a second flat plate (1-1-2) and a third flat plate (1-1-3) are sequentially connected, an included angle between the first flat plate (1-1-1) and the second flat plate (1-1-2) is 120-150 degrees, and the first flat plate (1-1-1) is parallel to the third flat plate (1-1-3); the lower template (1-3) and the upper template (1-1) have the same structure;
the first inner supporting frame (3) is as follows: one end of the first silk sleeve (3-1) is provided with a first left supporting leg (3-5), the other end of the first silk sleeve is provided with a first right supporting leg (3-2), the structure of the first left supporting leg (3-5) is that one end of a first transverse connecting rod (3-5-1) is provided with a first supporting rod (3-5-2), an included angle between the transverse connecting rod and the first supporting rod (3-5-2) is an obtuse angle, the side surface of the first supporting rod (3-5-2) is provided with a second supporting rod (3-5-3), and the end parts of the first supporting rod (3-5-2) and the second supporting rod (3-5-3) are provided with first left reinforcing ribs (3-4) matched with the lower template (1-3); the structure of the first right supporting leg (3-2) is the same as that of the first left supporting leg (3-5), and the lower end of the first right supporting leg (3-2) is welded with a first right reinforcing rib (3-3) matched with the lower template (1-3);
the second inner supporting frame (2) is as follows: one end of the second wire sleeve (2-1) is provided with a second left supporting leg (2-5), the other end of the second wire sleeve is provided with a second right supporting leg (2-2), the structure of the second left supporting leg (2-5) is that one end of the second transverse connecting rod (2-5-1) is provided with a third supporting rod (2-5-2), an included angle between the second transverse connecting rod (2-5-1) and the third supporting rod (2-5-2) is an obtuse angle, the side surface of the third supporting rod (2-5-2) is provided with a fourth supporting rod (2-5-3), and the end parts of the third supporting rod (2-5-2) and the fourth supporting rod (2-5-3) are provided with a second left reinforcing rib (2-4) matched with the upper template (1-1); the structure of the second right supporting leg (2-2) is the same as that of the second left supporting leg (2-5), and the lower end of the second right supporting leg (2-2) is welded with a second right reinforcing rib (2-3) matched with the upper template (1-1);
the method comprises the following steps:
s1, positioning a composite water stop template
After paying off, the first composite water stop template (1) and the second composite water stop template (5) are temporarily fixed after being transported in place in the field manually;
s2, installing main ribs of post-cast strip
Starting from one end, penetrating a second connecting rod (4) into mounting holes of lower templates of a first composite water stop template (1) and a second composite water stop template (5) in sequence, binding mortar cushion blocks on steel bars close to the inner sides of the lower templates of the first composite water stop template (1) and the second composite water stop template (5), correcting the positions of the first composite water stop template (1) and the second composite water stop template (5), spot-welding and fixing the positions with the second connecting rod (4) after error-free, penetrating a first connecting rod (6) into mounting holes of upper templates of the first composite water stop template (1) and the second composite water stop template (5) in sequence, and correcting the positions of the first composite water stop template (1) and the second composite water stop template (5) after error-free and spot-welding and fixing the positions with the first connecting rod (6);
s3, installing an inner support
A first inner support frame (3) and a second inner support frame (2) are arranged between a first composite water stop template (1) and a second composite water stop template (5) in a staggered manner, two reinforcing ribs of the first inner support frame (3) are respectively arranged on lower templates of the first composite water stop template (1) and the second composite water stop template (5), two reinforcing ribs of the second inner support frame (2) are respectively arranged on upper templates of the first composite water stop template (1) and the second composite water stop template (5), the center distance between adjacent first inner support frame (3) and second inner support frame (2) is 15cm, and the first inner support frame (3) and the second inner support frame (2) are respectively adjusted to enable the reinforcing ribs to be fully contacted with the templates, so that the first composite water stop template (1) and the second composite water stop template (5) are prevented from deforming in the concrete pouring process;
s4 mounting a longitudinal connecting rod member (7)
A group of longitudinal connecting rod members (7) are respectively arranged at two sides of the first inner support frame (3) and the second inner support frame (2) to prevent the first inner support frame (3) and the second inner support frame (2) from moving upwards in the concrete pouring process;
s5, dismantling
Firstly, loosening the steel pipe locating piece of the longitudinal connecting rod component (7), detaching the longitudinal connecting rod component (7), and then loosening the wire sleeves of the first inner supporting frame (3) and the second inner supporting frame (2) respectively, so that the two inner supporting frames are retracted to be separated from the side die, and manually taken out.
2. The construction method of the post-cast strip disassembly-free composite water stop template according to claim 1, wherein the longitudinal connecting rod component (7) is as follows: at least two clamps (7-2) fix the two parallel steel pipes (7-1) into a whole.
3. The construction method of the post-cast strip disassembly-free composite water stop template according to claim 2, wherein the fixture (7-2) is as follows: the upper end of the vertical rod of the T-shaped component is in threaded connection with a steel pipe locating piece, and the lower surface of the steel pipe locating piece is provided with two arc-shaped surfaces which are connected into a whole.
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| CN111236320A (en) * | 2020-01-15 | 2020-06-05 | 中铁四局集团第三建设有限公司 | Bottom plate post-cast strip disassembly-free template and reinforcing method thereof |
| CN211548118U (en) * | 2020-01-16 | 2020-09-22 | 中冶建工集团有限公司 | Post-cast strip water stop component |
| CN214575658U (en) * | 2020-12-19 | 2021-11-02 | 北京住总第三开发建设有限公司 | Post-cast strip template with cast-in-place concrete structure |
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