Large-span reinforced concrete orthogonal inclined hollow floor and its manufacturing method
A reinforced concrete, long-span technology, applied in floors, building components, buildings, etc., can solve the problems of uneven force on the floor, waste of materials and cost, and save the thickness of the floor, reduce the project cost, and uniform force. Effect
Inactive Publication Date: 2017-11-14
WEIFANG CHANGDA CONSTR GROUP +2
View PDF1 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
When floor plane size L x / L y For a narrow and elongated plane >1.5 or larger, if the orthogonal grid is used, the stress on the floor will be extremely uneven, resulting in waste of materials and increased cost
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0034] In the embodiment, the large-span reinforced concrete is placed vertically and obliquely on the hollow floor, and the perimeter of the building floor is an isosceles triangle grid, and the middle is along the perimeter of 45 0 The corner is a square fasting grid, the size a of the right-angled side of the surrounding isosceles triangle and the length of the hypotenuse of the isosceles triangle a 1 for a=a 1 × sin45° relationship, that is, the surrounding grid a 1 After being determined, the size of the internal square grid a along the 45° direction is also determined.
[0035] by figure 1 The shown floor is taken as an example to describe in detail. There is a reinforced concrete girder every 7.2m in the length direction, and a secondary beam every 3.6m. The surrounding concrete connecting beams are connected with the girders as a whole, forming 43.2m×21.6m=933.12 m 2 The large-area floor of this traditional structure causes high engineering costs and hinders the de...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a large-span reinforced concrete orthogonal oblique fasting floor. The perimeter of the building floor is an isosceles triangular grid, the middle is a square fasting grid at an angle of 45° along the periphery, and the size of the right-angled side of the surrounding isosceles triangle is a The relationship with the hypotenuse length a1 of the isosceles triangle is a=a1×sin45°, that is, after the surrounding grid a1 is determined, the size of the internal square grid a along the 45° direction is determined. When the ratio of the length Lx of the building to its span Ly is greater than 1.5 At the same time, adopting the orthogonal and oblique fasting grid layout can change the floor from one-way force transmission to two-way force (45° direction), so as to achieve uniform force on the floor, save building materials and reduce engineering costs, and traditional Compared with the long-span frame structure, the concrete of the orthogonal obliquely placed vierendeel floor saves 25%-30%, and the steel material saves 20%-25%; It is the air-conditioning and pipeline equipment layer of the floor, which greatly saves the thickness of the floor.
Description
technical field [0001] The invention relates to a reinforced concrete hollow floor with a narrow and long plane, in particular, to a floor covering lengthwise (L x ) with span dimensions (L y ) ratio L x / L y The invention relates to a large-span reinforced concrete orthogonal oblique hollow floor with a value of >1.5 or greater and a manufacturing method thereof, belonging to the technical field of construction. Background technique [0002] For a long time, reinforced concrete structure engineering has been restricted by traditional structural systems. For floors with a span of (18m-30m), the only solution is the reinforced concrete primary and secondary beam structure, such as figure 1 The floor plan shown, its longitudinal dimension L x =6×7.2m=43.2m, the short direction is the span direction L y =3×7.2m=21.6m, using primary and secondary beams to arrange floor area 43.2m×21.6m=933.12m 2 , floor use load 4kN / m 2 , floor concrete grade is C30, and the designed c...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): E04B5/38
Inventor 马克俭徐鹏强张华刚朱九洲肖建春房海魏艳辉王维奇卢亚琴王丰娟栾焕强陈靖袁波姜岚
Owner WEIFANG CHANGDA CONSTR GROUP