CN114508168B - Green assembled concrete prefabricated part and preparation method thereof - Google Patents
Green assembled concrete prefabricated part and preparation method thereof Download PDFInfo
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- CN114508168B CN114508168B CN202210036758.5A CN202210036758A CN114508168B CN 114508168 B CN114508168 B CN 114508168B CN 202210036758 A CN202210036758 A CN 202210036758A CN 114508168 B CN114508168 B CN 114508168B
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- 238000002360 preparation method Methods 0.000 title claims description 15
- 238000010276 construction Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009415 formwork Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims 4
- 238000012423 maintenance Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The invention discloses a green assembled concrete prefabricated part, which comprises a lower side beam, a balcony slab and an upper side beam, wherein a bottom module is integrally cast by the balcony slab and the lower side beam, the surface of the balcony slab is arranged flush with the surface of the lower side beam, the surface of the lower side beam is provided with a dowel hole and a lock hole, an internal thread sleeve is embedded in the lock hole, a connecting through hole is arranged on the upper side beam corresponding to the internal thread sleeve, and a connecting reinforcing steel bar is arranged at the bottom of the upper side beam corresponding to the dowel hole; the lower side edge beam and the upper side edge beam are fixedly locked with the internal thread sleeve through connecting bolts penetrating through the connecting through holes and are fixedly bonded through connecting steel bars extending into the dowel holes; the bottom module and the upper side beam are both manufactured by inverting, and are transported to a construction site for assembly and use. The invention is easy to store and prepare, and has low die cost and high efficiency.
Description
Technical Field
The invention relates to the technical field of assembly type buildings, in particular to a green assembly type concrete prefabricated part and a preparation method thereof.
Background
The prefabricated building is a means for producing 'parts' such as beams, wallboards, composite floor slabs, stairs, balconies and the like in factories, then transporting to a construction site and assembling to form a house building, and the prefabricated building can reduce dust and noise in the site environment through factory prefabrication, is a necessary way for green development, and is promoted greatly.
In existing residential buildings, the design floor height of the house is typically between 2.8-3.0 m. At present, overhanging type balconies are adopted, and due to the fact that the section height of the cantilever beam at the bottom of the balcony is large, lighting of the balcony is shielded, the adoption capacity of a building is greatly affected, and the concept of building energy conservation is not met. In order to improve the defect and achieve the effect of building energy conservation, a method is often adopted in design, namely, a balcony plate is arranged at the middle position of a cantilever beam, so that the cantilever beam is ensured to have enough section height to obtain the best lighting effect while meeting the structural bearing capacity requirement, and the use function and energy conservation requirement of a building are met.
However, as the balcony plate is designed in the middle of the cantilever beam, the irregularity of the prefabricated balcony structure is directly aggravated, and the vertical section is of a T shape, the prefabricated balcony structure cannot be formed on the formwork, a steel mold with a special-shaped structure is required to be customized first, and then the prefabricated balcony is prepared, so that the cost of the mold is greatly increased. Meanwhile, the components are irregular and the die table cannot be effectively used, so that the quality of prefabricated balcony preparation is generally poor, and the requirements of detection and acceptance cannot be met. In addition, the prefabricated balcony of special-shaped structure, it stacks and transports to the in-process of engineering scene at the mill, stacks difficultly and causes concrete crack and damage very easily, if singly put, occupation area is big and the transportation cost greatly increased. Therefore, there is a need to solve this engineering problem to meet the development requirements of building industrialization.
Disclosure of Invention
The invention aims to solve the technical problem of providing a green assembled concrete prefabricated part and a preparation method thereof, which are easy to store and prepare, low in die cost and high in efficiency.
In order to solve the technical problems, the invention provides a green assembled concrete prefabricated component, which comprises a lower side beam, a balcony plate and an upper side beam, wherein a bottom module is integrally cast by the balcony plate and the lower side beam, the surface of the balcony plate is arranged flush with the surface of the lower side beam, a dowel hole and a lock hole are arranged on the surface of the lower side beam, an internal thread sleeve is embedded in the lock hole, a connecting through hole is arranged on the upper side beam corresponding to the internal thread sleeve, and a connecting reinforcing steel bar is arranged at the bottom of the upper side beam corresponding to the dowel hole;
The lower side edge beam and the upper side edge beam are fixedly locked with the internal thread sleeve through connecting bolts penetrating through the connecting through holes, and are fixedly bonded through connecting steel bars extending into the dowel holes.
Further, a slurry layer is further arranged between the lower side edge beam and the upper side edge beam, and materials used for the slurry layer and materials used for the connecting steel bars stretching into the dowel holes to be bonded and fixed are slurry.
Further, a positioning bottom plate is arranged at one end of the lock hole, located on the surface of the upper side beam, of the lock hole, a limiting hole communicated with the lock hole is formed in the middle of the positioning bottom plate, and a plurality of upright post positioning holes are further formed in the periphery of the surface of the positioning bottom plate.
Further, the setting height of locating bottom plate is less than the surface height of upside roof beam, form the embedded recess between locating bottom plate surface and the upside roof beam surface.
Further, threads are arranged on the inner wall of the limiting hole and used for installing hanging rings.
Furthermore, a fence or a bank wall is built on the upper surface of the upper side edge beam.
The preparation method is used for preparing any balcony structure, a template is built on a template to prepare a bottom module and an upper side beam, the bottom module and the upper side beam are both prepared in an inverted mode, and the bottom module and the upper side beam are transported to a construction site for assembly and use;
In the preparation process of the bottom module, the built template comprises a mouth-shaped outer template and a C-shaped inner template, wherein the mouth-shaped outer template is firstly fixed on the surface of the template, then a reinforcement cage is bound in the mouth-shaped outer template, an embedded part is installed, the C-shaped inner template is hoisted into the C-shaped inner template and is fixed through a hanging bracket, and finally the two ends of the C-shaped inner template are fixedly installed on the inner surface corresponding to the mouth-shaped outer template; pouring first concrete after the construction is finished, pouring the first concrete to the bottom surface of the C-shaped inner template, and pouring second concrete in a space formed by matching the opening-shaped outer template and the C-shaped inner template after the first concrete is initially set, so as to finish pouring; and (5) obtaining the bottom module after demolding and curing.
Further, the die-shaped outer die plate comprises four outer Zhou Bianmo which are sequentially connected, wherein one outer Zhou Bianmo is fixedly connected with the C-shaped inner die plate and is defined as a rear die-filling die, and after the hanger is installed, the rear die-filling die is fixed with the other three outer peripheral die into a whole and is fixed with the C-shaped inner die plate.
Further, the C-shaped inner formwork comprises a first side formwork, a corner formwork and a second side formwork which are sequentially arranged, the corner formwork comprises a vertical column plate, the front side end part of the vertical column plate is provided with a 90-degree die angle, the top of the vertical column plate is provided with a first locking plate, the lower parts of two side surfaces of the vertical column plate are respectively provided with a second locking plate, the end parts of the first side formwork and the end parts of the second side formwork are respectively provided with a 45-degree butt surface and butt on the side surfaces of the vertical column plate, the vertical column plate is fixedly connected with the first side formwork and the second side formwork through the first locking plate and the second locking plate, and a flat surface is formed by matching between the surface of the first side formwork and the 90-degree die angle surface and between the surface of the second side formwork and the 90-degree die angle surface.
Further, limiting plates are further arranged on two side surfaces of the vertical column plate and used for assisting in installing the first locking plate and the second locking plate and controlling the flatness between the 90-degree die angle of the first side die and the second side die.
The invention has the beneficial effects that:
1. The invention solves the contradiction that the prefabricated balcony is difficult to prepare, stack and transport in order to obtain better lighting performance and the prefabricated balcony is required to be designed into a special-shaped structure. The balcony with the special-shaped structure is divided into two parts which are relatively regular to be manufactured and molded, and the prefabricated balcony is assembled in a field rapid assembling mode. The prefabricated balcony of the present invention also has an assembling function itself. Therefore, the surface of the bottom die block is provided with a flat surface, the stacking of the bottom die block is facilitated, and the upper side beam can meet the stacking requirement, so that the field requirement of a construction site is greatly reduced.
2. The special-shaped prefabricated balcony which is not suitable for stacking and transporting originally is divided into two more regular parts with flat bottom surfaces, so that the prefabricated balcony is convenient to prepare, stack and transport and is not easy to damage. And after split preparation, assembly type connection is performed, so that the connection strength requirement is met, and the quality of a balcony is ensured.
3. During split preparation, the bottom die block is arranged in an inverted mode skillfully, the components can be formed on the die table, vibration of the die table can directly act on the concrete, the compactness of the inside of the concrete is guaranteed, and meanwhile, the formed components are flat in surface and good in apparent quality. In addition, the auxiliary die is simple in structure and convenient to assemble and disassemble, and the overall preparation quality is also greatly improved.
Drawings
Fig. 1 is a schematic view of a balcony structure of the present invention;
FIG. 2 is a schematic view of the bottom die block structure of the present invention;
FIG. 3 is a schematic view of the bottom structure of the upper side rail of the present invention;
FIG. 4 is a schematic view of the structure of the balcony installation positioning board of the present invention;
FIG. 5 is a schematic view of a mold for producing a bottom mold block according to the present invention;
FIG. 6 is a schematic view of the structure of the part of the cooperation of the outer die plate in the shape of a Chinese character 'kou' and the inner die plate in the shape of a Chinese character 'C' in the invention;
FIG. 7 is a schematic view of a C-shaped inner form using corner molds according to an embodiment of the present invention;
FIG. 8 is a schematic perspective view of a corner mold according to the present invention;
FIG. 9 is a schematic top view of the structure of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of a cross-sectional structure of a C-shaped inner die plate using a corner die.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1 to 4, an embodiment of the green fabricated concrete prefabricated part of the present invention includes a lower side beam 1, a balcony slab 2 and an upper side beam 3, wherein the balcony slab and the lower side beam are integrally cast to form a structure, and are bottom mold blocks 4, the surface of the balcony slab is arranged flush with the surface of the lower side beam, so that the preparation and stacking placement are facilitated, the surface of the lower side beam is provided with a dowel hole 5 and a lock hole 6, an internal thread sleeve is pre-buried in the lock hole for matching connection, a connection through hole is arranged on the upper side beam corresponding to the internal thread sleeve for the penetration of a connection bolt, and a connection reinforcing bar is arranged at the bottom of the upper side beam corresponding to the dowel hole for improving the fixing strength;
Specifically, the connecting bolts 7 penetrate through the connecting through holes to be locked with the internal thread sleeves, and the connecting steel bars 8 extend into the dowel holes to be bonded, so that the fixing of the lower side edge beam and the upper side edge beam is realized. In order to ensure the strength and sealing effect of the connection of the lower side edge beam and the upper side edge beam, a slurry layer is further arranged between the lower side edge beam and the upper side edge beam, materials used for the slurry layer and materials used for the connection reinforcing steel bar to stretch into the dowel holes for bonding and fixing are slurry, the operation is convenient, and the construction quality is stable. Of course, the bonding can also be performed by using bar planting glue.
When connecting bolt locks, in order to guarantee the validity of locking force, be provided with location bottom plate 9 on the one end that the lockhole is located side roof beam surface, the pre-buried setting of location bottom plate is in side roof beam, location bottom plate middle part is provided with the spacing hole 10 that link up with the lockhole, connecting bolt pass behind the spacing hole with internal thread sleeve threaded connection, adopt the nut to lock the bolt on location bottom plate surface afterwards can, after locking, the effort shifts to side roof beam to through pre-buried location bottom plate, reliable and stable. Still be provided with a plurality of stand locating holes 11 on the periphery on location bottom plate surface, when installing the rail on the upper surface of upside boundary beam, the stand locating hole is used as the locating hole that punches, punches the lock solid installation stand through fixed position, avoids punching the position bad and leads to the installation degree of difficulty to increase, has accurate installation, the effect of convenient construction. The setting height of locating bottom plate is less than the surface height of upside roof beam, forms the embedded groove between locating bottom plate surface and the last side roof beam surface, and the stand can imbed side roof beam surface when the installation, and follow-up can be filled through beautification treatment, guarantees whole pleasing to the eye degree.
The threads are arranged on the inner wall of the limiting hole and used for installing the hanging ring, so that the hanging ring is convenient to hoist and use.
And the sill wall can be built on the upper surface of the upper side edge beam, so that diversified use requirements are met.
The invention also provides a preparation method for preparing the balcony structure, and the balcony structure can be directly prepared on a die table (adopting the function of the die table) through design decomposition of the structure, and the die table is not used as a bottom plane;
specifically, the bottom module and the upper side beam are both prepared in an inverted manner, and then the bottom module and the upper side beam are transported to a construction site for assembly and can be used;
the bottom module and the upper side beam are separately and independently prepared;
For the preparation of bottom module, first set up mouthful style of calligraphy cope match-plate pattern 12 on the mould bench, four outer Zhou Bianmo that connect gradually altogether, outer Zhou Bianmo and C style of calligraphy cope match-plate pattern fixed connection and define as back dress mould, back dress mould is not installed at this moment earlier, install three peripheral moulds promptly, in outside ligature steel reinforcement cage after the installation is accomplished and hoist and mount to three peripheral moulds (of course also can directly be inside ligature), fixed embedded part, then continue to assemble C style of calligraphy cope match-plate pattern 13 in the outside and splice, then hoist C style of calligraphy cope match-plate pattern to mouthful style of calligraphy cope match-plate pattern inside, then fix C style of calligraphy cope match-plate pattern inside mouthful style of calligraphy cope match-plate pattern through gallows 15 hoist and mount, adjust the relative position of C style of calligraphy cope match-plate pattern and mouthful style of calligraphy cope match-plate pattern inside at the same time, refer to FIG. 6, after the gallows are installed, install the back dress mould is fixed as an organic whole in other three peripheral moulds again, and fix with C style of calligraphy cope match-plate pattern inner plate pattern, form the effect of whole atress, accomplish and build the mould refer to FIG 5.
In the process of binding the reinforcement cage, the rear die can be used for binding and positioning the extension reinforcement, so that the binding position accuracy is ensured. The rear die is not fixed with the three outer peripheral dies, so that sufficient space for installing the C-shaped inner die plate is provided.
Pouring first concrete after the construction is finished, wherein the first concrete is poured to the bottom surface of the C-shaped inner template, the height is the thickness of the balcony plate, and after the first concrete is initially set, pouring second concrete in a space formed by matching the opening-shaped outer template and the C-shaped inner template, so that pouring is finished; and (3) removing the C-shaped inner template and the opening-shaped outer template after the belt is solidified, and curing to obtain the bottom module. Because need pour for the second time after the initial setting, consequently can also be provided with on the bottom outside of C style of calligraphy interior template and extend the limit, the size setting of extension limit is 5-10cm again, through increasing the area of contact of C style of calligraphy interior template bottom surface and concrete, avoid flowing out from this position because of gravity when pouring for the second time, operating stability is better, can also shorten the time interval of first and second time pouring.
Because the whole balcony board that all contacts with the mould platform when pouring, in pouring the in-process, the effect of vibrating can be accomplished through the vibration of mould platform directly, excellent in use effect, and need not to put the balcony board overhead casting back, mould cost greatly reduced also improves greatly, and the finished product quality can also be disassembled the mould in advance, realizes the effect of the quick turnover of mould.
When the upper side beam is prepared, a concave structure is formed by adopting a template fence, then reinforcing steel bars are bound and embedded parts are installed, and then the upper side beam is poured by concrete once, so that the operation is simple, and the die cost is low.
Referring to fig. 7 to 10, since the C-shaped inner mold plate is an internal corner mold, the C-shaped inner mold plate is easy to interfere with the clamping during the assembly and disassembly, and thus the C-shaped inner mold plate is designed to have a structure of a first side mold 16, a corner mold 17 and a second side mold 18 which are sequentially connected, and two corner molds are adopted, namely, the structure of the first side mold, the corner mold, the second side mold, the corner mold and the first side mold; wherein, the corner mould includes vertical post board 19, and vertical post board front side tip is provided with 90 degrees mould angles 20, and vertical post board top is provided with first locking plate 21, and two side surface lower parts of vertical post board all are provided with second locking plate 22, and first side mould and second side mould tip all are provided with 45 degrees butt face 23 and butt on the side surface of vertical post board, and vertical post board passes through first locking plate and second locking plate and first side mould and second side mould fixed connection.
When the novel vertical column plate is used, the novel vertical column plate is convenient to assemble outside, connection can be achieved through locking after the novel vertical column plate is spliced together, wherein the 45-degree abutting face of the first side plate is abutted to the side surface of the vertical column plate, the 45-degree abutting face of the second side plate is abutted to the side surface of the vertical column plate, the surface of the first side plate is enabled to be flush with the 90-degree die corner surface after the abutting face is abutted to the side surface of the second side plate, the surface of the second side plate is enabled to be flush with the 90-degree die corner surface, the three are locked after the flat side plate is flattened, and the novel vertical column plate is repeatedly installed.
Because the surface flush adjustment degree of difficulty is big, so still design limiting plate 24 on vertical column plate's two side surfaces, after 45 degrees butt face butt on vertical column plate's side surface, limiting plate has restricted its mounted position, can realize once assembling and can realize leveling the equipment and assemble the effect in place, can assist the installation first locking plate and the second locking plate, and can also control the roughness between 90 degrees mould angles of first side mould and the second side mould.
The vertical column plate can be obtained by welding after the inclined cutting of a metal plate, and is easy to prepare; when the die is disassembled, the hanging frame is disassembled firstly, then the locking of the joint of the C-shaped inner die plate and the mouth-shaped outer die plate is released, the mouth-shaped outer die plate is disassembled, then the locking of the corner die, the first side die and the second side die is released, then the first side die is disassembled, the corner die is disassembled after the disassembly, and finally the second side die is disassembled.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (7)
1. The preparation method of the green assembled concrete prefabricated part is characterized by comprising a lower side beam, a balcony plate and an upper side beam, wherein a bottom module is integrally cast by the balcony plate and the lower side beam, the surface of the balcony plate is flush with the surface of the lower side beam, the surface of the lower side beam is provided with a dowel hole and a lock hole, an internal thread sleeve is embedded in the lock hole, a connecting through hole is arranged on the upper side beam corresponding to the internal thread sleeve, and a connecting reinforcing steel bar is arranged at the bottom of the upper side beam corresponding to the dowel hole;
The lower side edge beam and the upper side edge beam are fixedly locked with the internal thread sleeve through connecting bolts penetrating through the connecting through holes and are fixedly bonded through connecting steel bars extending into the dowel holes;
building a template on a mould table to prepare a bottom module and an upper side beam, wherein the bottom module and the upper side beam are prepared by inverting the bottom module and the upper side beam, and conveying the bottom module and the upper side beam to a construction site for assembly and use;
In the preparation process of the bottom module, the built template comprises a mouth-shaped outer template and a C-shaped inner template, wherein the mouth-shaped outer template is firstly fixed on the surface of the template, then a reinforcement cage is bound in the mouth-shaped outer template, an embedded part is installed, the C-shaped inner template is hoisted into the C-shaped inner template and is fixed through a hanging bracket, and finally the two ends of the C-shaped inner template are fixedly installed on the inner surface corresponding to the mouth-shaped outer template; pouring first concrete after the construction is finished, pouring the first concrete to the bottom surface of the C-shaped inner template, and pouring second concrete in a space formed by matching the opening-shaped outer template and the C-shaped inner template after the first concrete is initially set, so as to finish pouring; obtaining a bottom die block after die disassembly and maintenance;
The die-shaped outer die plate comprises four outer Zhou Bianmo which are sequentially connected, wherein one outer Zhou Bianmo is fixedly connected with the C-shaped inner die plate and is defined as a rear die-filling die, and the rear die-filling die is fixed with the other three outer peripheral die into a whole after the hanger is installed, and is fixed with the C-shaped inner die plate;
The C-shaped inner formwork comprises a first side formwork, a corner formwork and a second side formwork which are sequentially arranged, the corner formwork comprises a vertical column plate, a 90-degree die angle is arranged at the front end of the vertical column plate, a first locking plate is arranged at the top of the vertical column plate, second locking plates are arranged at the lower parts of two side surfaces of the vertical column plate, 45-degree butt surfaces are arranged at the ends of the first side formwork and the second side formwork and are abutted to the side surfaces of the vertical column plate, the vertical column plate is fixedly connected with the first side formwork and the second side formwork through the first locking plate and the second locking plate, and a flat surface is formed between the surface of the first side formwork and the 90-degree die angle surface and between the surface of the second side formwork and the 90-degree die angle surface in a matched mode.
2. The method for preparing the green assembled concrete prefabricated part according to claim 1, wherein a slurry-setting layer is further arranged between the lower side edge beam and the upper side edge beam, and materials used for the slurry-setting layer and materials used for bonding and fixing the connecting steel bars extending into the dowel holes are slurry-setting materials.
3. The method for preparing the green assembled concrete prefabricated part according to claim 1, wherein a positioning bottom plate is arranged at one end of the lock hole, which is positioned on the surface of the upper side beam, a limiting hole which is communicated with the lock hole is arranged in the middle of the positioning bottom plate, and a plurality of upright post positioning holes are further arranged on the periphery of the surface of the positioning bottom plate.
4. The method for manufacturing a green fabricated concrete prefabricated member according to claim 3, wherein the positioning base plate is provided with a height smaller than a surface height of the upper side rail, and an embedded groove is formed between the surface of the positioning base plate and the surface of the upper side rail.
5. A method of manufacturing a green fabricated concrete prefabricated part according to claim 3, wherein the inner wall of the limiting hole is provided with threads for installing a hanging ring.
6. The method of manufacturing a green fabricated concrete prefabricated member according to claim 1, wherein a rail is installed on an upper surface of the upper side sill or a bank wall is built.
7. The method for manufacturing a green fabricated concrete prefabricated part according to claim 1, wherein limiting plates are further arranged on two side surfaces of the vertical column plate, and the limiting plates are used for assisting in installing the first locking plate and the second locking plate and controlling the flatness between the first side die and the second side die at a 90-degree die angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036758.5A CN114508168B (en) | 2022-01-13 | Green assembled concrete prefabricated part and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210036758.5A CN114508168B (en) | 2022-01-13 | Green assembled concrete prefabricated part and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114508168A CN114508168A (en) | 2022-05-17 |
| CN114508168B true CN114508168B (en) | 2024-07-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210507784U (en) * | 2019-06-18 | 2020-05-12 | 中国人民解放军海军勤务学院 | Modular steel structure beam column joint |
| CN211665913U (en) * | 2019-12-20 | 2020-10-13 | 河南省第八建设集团有限公司 | Prefabricated balcony board of assembled and balcony support connection structure |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210507784U (en) * | 2019-06-18 | 2020-05-12 | 中国人民解放军海军勤务学院 | Modular steel structure beam column joint |
| CN211665913U (en) * | 2019-12-20 | 2020-10-13 | 河南省第八建设集团有限公司 | Prefabricated balcony board of assembled and balcony support connection structure |
Non-Patent Citations (1)
| Title |
|---|
| 异形清水混凝土罗马柱分段预制成型施工工艺研究;吴琼 著;《天津建设科技》;第28卷(第4期);第27-28页 * |
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