Compression metal ribbed core mold for dense rib hollow floor slab
By using press-shaped metal ribbed core molds made of specific steel, the flatness and self-weight problems of traditional dense rib hollow floor core molds are solved, and a high-strength, environmentally friendly and safe lightweight structure is achieved, reducing construction costs and environmental pollution.
Patent Information
- Application Number
- CN202421005692.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The traditional dense rib hollow floor core mold has problems such as uneven bottom surface, large formwork volume, complex support and mold removal process, high cost, long construction period, poor insulation and sound insulation effect, and the filling block material used is of great weight, resulting in The weight of the floor slabs increases, and there are prone to penetration cracks and damage during the construction of gypsum or plastic mold shells, and the resulting construction waste cannot be degraded by itself, polluting the environment.
A press-shaped metal ribbed core mold made of specific steel, including two core molds of the same size are connected by welding, the outer wall is equipped with concave ribs and concave ribs, the edges are chamfered, and the flange plate is 20 wide Rebars are laid at the top and bottom ends, and a closed cavity is formed by argon arc welding, and used for cast-in-place concrete hollow floor building structures.
It improves the strength and toughness of the core mold, reduces transportation and construction damage, prevents concrete cracking, reduces the self-weight of the floor slabs, realizes an environmentally friendly and safe high-strength and lightweight structure, saves construction costs, and reduces the self-weight of the structure.
Smart Images
Figure CN222227938U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of building core molds, in particular to a ribbed hollow floor slab pressed metal ribbed core mold. Background Art
[0002] With the development of social economy and the continuous improvement of people's material living standards, various types of buildings are developing in a diversified direction, and the requirements for large space, large span, floor height and earthquake resistance are getting higher and higher. Traditional beamed floor slabs are increasingly unable to meet people's demand for diversified development of buildings due to their heavy structure, high cost, low floor height and small space. Under this circumstance, dense rib hollow floor slabs came into being.
[0003] The cast-in-place dense-ribbed floor slab formed by using wooden formwork as a formwork has the disadvantages of uneven bottom surface, large formwork quantity, complicated formwork and demoulding process, high formwork cost, long construction period, poor thermal insulation and sound insulation effect, etc.; the dense-ribbed hollow floor slab formed by using aerated concrete blocks, or ceramsite concrete hollow blocks, or reinforced concrete cavity formwork as a formwork has a flat bottom surface, but due to the heavy deadweight of the filling block material used, the deadweight of the dense-ribbed hollow floor slab is increased compared with the dense-ribbed hollow floor slab whose formwork needs to be removed and reused; gypsum or plastic formwork as the core formwork of the cast-in-place dense-ribbed hollow floor slab has low strength, and the gypsum formwork is prone to through cracks and breakage during construction, and the plastic formwork is prone to deformation during construction, and the generated construction waste cannot be self-degraded, which pollutes the environment to a certain extent. In view of this problem, a compact metal ribbed core formwork for a dense-ribbed hollow floor slab is provided. Utility Model Content
[0004] The purpose of the present invention is to provide a ribbed hollow floor profiled metal ribbed core mold to solve the problems raised in the above background technology. To achieve the above purpose, the present invention provides the following technical solutions: a ribbed hollow floor profiled metal ribbed core mold, comprising a first core mold and a second core mold, the bottom end of the first core mold and the top end of the second core mold are both provided with flange plates, the two flange plates are fixedly connected by welding, the outer walls of the first core mold and the second core mold are both provided with first concave ribs, the outer walls of the first core mold and the second core mold are both provided with second concave ribs, each corner of the first core mold and the second core mold is provided with a chamfer, and the width of the flange plate is 20 mm.
[0005] Preferably, the first inwardly concave ribs and the second inwardly concave ribs intersect with each other.
[0006] Preferably, the chamfer angle is forty-five degrees.
[0007] Preferably, a plurality of top plate steel bars are laid at the top end of the first core mold, a plurality of bottom plate steel bars are laid at the bottom end of the second core mold, and a full-length steel bar is laid between every two adjacent first core molds and second core molds.
[0008] Preferably, the first core mold (1) and the second core mold (2) have the same size and are both 375×750×(200-300) mm or 375×300×(200-300) mm.
[0009] Compared with the prior art, the utility model has the following beneficial effects:
[0010] 1. The first core mold and the second core mold are made of modified specific steel, with high strength, good toughness, collision resistance, rust resistance, good quality, low breakage rate, and reduced damage during transportation and construction.
[0011] 2. The first core mold and the second core mold are non-absorbent and non-corrosive to steel bars. The metal core mold wraps the concrete to produce a skin effect, which effectively reduces floor cracking and has good integrity.
[0012] 3. The first core mold and the second core mold are made of inorganic materials, without releasing toxic gases, and are environmentally friendly and safe.
[0013] 4. The first core mold and the second core mold are light in weight while having high strength and impact resistance, which plays an important role in reducing the self-weight of the floor.
[0014] 5. The first core mold and the second core mold make the bottom of the hollow slab flat and beautiful, truly realizing flexible space separation, reducing the dead weight of the structure, and saving construction costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a front cross-sectional view of the utility model;
[0017] Figure 3 It is a schematic diagram of the structure of the utility model when it is used for splicing.
[0018] In the figure: 1. first core mold, 2. second core mold, 3. flange plate, 4. first concave rib, 5. second concave rib, 6. chamfer, 7. bottom plate steel bar, 8. top plate steel bar, 9. full-length steel bar. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figures 1 to 3 The utility model provides a technical solution: a ribbed hollow floor profiled metal ribbed core mold, including a first core mold 1 and a second core mold 2, the bottom end of the first core mold 1 and the top end of the second core mold 2 are both provided with flange plates 3, the two flange plates 3 are fixedly connected by welding, the outer walls of the first core mold 1 and the second core mold 2 are both provided with first concave ribs 4, the outer walls of the first core mold 1 and the second core mold 2 are both provided with second concave ribs 5, each edge of the first core mold 1 and the second core mold 2 is provided with a chamfer 6, the width of the flange plate 3 is 20 mm, the first core mold 1 and the second core mold 2 are made of modified specific steel, and have high strength and toughness Good resistance, collision resistance, rust resistance, good quality, low breakage rate, reducing damage during transportation and construction, the first core mold 1 and the second core mold 2 are non-absorbent and non-corrosive to steel bars, the metal core mold wraps the concrete to produce a skin effect, effectively reducing floor cracking, good integrity, the first core mold 1 and the second core mold 2 are made of inorganic materials, no toxic gas release, environmentally friendly and safe, the first core mold 1 and the second core mold 2 are high-strength and impact-resistant, and light in weight, which plays an important role in reducing the self-weight of the floor, the first core mold 1 and the second core mold 2 make the bottom of the hollow slab smooth and beautiful, truly realize flexible space separation, reduce the self-weight of the structure, and save construction costs.
[0021] In this embodiment, the first inwardly concave ribs 4 and the second inwardly concave ribs 5 intersect with each other.
[0022] In this embodiment, the angle of the chamfer 6 is forty-five degrees.
[0023] In this embodiment, a plurality of top plate steel bars 8 are laid at the top end of the first core mold 1, a plurality of bottom plate steel bars 7 are laid at the bottom end of the second core mold 2, and a full-length steel bar 9 is laid between every two adjacent first core molds 1 and second core molds 2.
[0024] In this embodiment, the first core mold (1) and the second core mold (2) have the same size and are both 375×750×(200-300) mm or 375×300×(200-300) mm.
[0025] The use method and advantages of the utility model: When in use, the working process is as follows:
[0026] The ribbed corrugated metal core mold used in cast-in-place concrete hollow floor building structures is made of specific rust-proof steel as the main raw material. The metal core mold is composed of two identical concave metal mold shells with 20mm wide flanges welded together by argon arc to form a corrugated cavity with reliable airtightness, and is used as the side mold of the bidirectional cast-in-place rib beam. The corrugated cavity is supported by the steel keel. The steel outer skin is close to the steel keel and the surface is pressed with four types of criss-cross reinforcement lines to increase strength and reduce deformation. The periphery is rounded, and the cast-in-place concrete is integrally cast to form an I-shaped stress section, a flat bottom, a large cavity structure, and spatial stress characteristics. The basic stress unit is an "I"-shaped bidirectional dense rib beam.
[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A ribbed hollow floor profiled metal ribbed core mold, comprising a first core mold (1) and a second core mold (2), characterized in that: The bottom end of the first core mold (1) and the top end of the second core mold (2) are both provided with flange plates (3), and the two flange plates (3) are fixedly connected by welding. The outer walls of the first core mold (1) and the second core mold (2) are both provided with first inwardly concave ribs (4), and the outer walls of the first core mold (1) and the second core mold (2) are both provided with second inwardly concave ribs (5). Each corner of the first core mold (1) and the second core mold (2) is provided with a chamfer (6), and the width of the flange plate (3) is 20 mm.
2. The ribbed hollow floor profiled metal ribbed core mold according to claim 1, characterized in that: The first inwardly concave ribs (4) and the second inwardly concave ribs (5) intersect with each other.
3. The ribbed hollow floor profiled metal ribbed core mold according to claim 1, characterized in that: The angle of the chamfer (6) is forty-five degrees.
4. The ribbed hollow floor profiled metal ribbed core mold according to claim 1, characterized in that: A plurality of top plate steel bars (8) are laid at the top end of the first core mold (1), a plurality of bottom plate steel bars (7) are laid at the bottom end of the second core mold (2), and a full-length steel bar (9) is laid between every two adjacent first core molds (1) and second core molds (2).
5. The ribbed hollow floor profiled metal ribbed core mold according to claim 1, characterized in that: The first core mold (1) and the second core mold (2) have the same size and are both 375×750×(200-300) mm or 375×300×(200-300) mm.