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Construction of cast-in-place reinforced concrete hollow slab This paper makes a comprehensive and systematic study on the construction technology, construction essentials, quality control measures and quality acceptance standards of cast-in-place concrete hollow slab, hoping to provide a reference for relevant construction personnel. -
Construction scheme of cast-in-place reinforced concrete hollow slab A roof floating plate with simple appearance requirements adopts BDF hollow pipe technology, including pipe layout scheme, material acceptance, installation and fixing measures, and the process of pouring hollow floor slab. -
Reinforcement calculation of reinforced concrete slab 1. As for the distribution reinforcement, ① the four corners of the floor are the distribution reinforcement in both the transverse and longitudinal directions, and it is not necessary to arrange the distribution reinforcement within this range, while the rest of the range needs to be arranged. ② Within the intersection range of distribution bar and corner negative bar, there should be a certain overlap length. The overlap length specified in common design drawings is -
Bending moment reinforcement table of reinforced concrete slab The attached table in the Common Data Manual of Building Structure is easy to use. It is used for structural simplified calculation and verification. -
Construction of cast-in-place reinforced concrete arch ring 1.11.2.1 Technical preparation Carry out joint review of construction drawings and sign the joint review records. 2. Do a good job in the construction organization design (scheme) and carry out written technical disclosure. 3. Carry out survey review and setting out. 1.11.2.2 Material requirements 1 Rebar: rebar shall be provided with factory quality certificate and inspection report; Steel products -
Construction of a cast-in-place reinforced concrete arch ring The scope of application is applicable to the construction of cast-in-place reinforced concrete arch ring of arch bridge in highway and urban bridge engineering. -
Design of cast-in-place reinforced concrete floor According to the plan of a multi-storey building, the floor and roof are required to adopt cast-in-place reinforced concrete structure, and the structural layout scheme of the support beam is determined considering the rationality of the support structure. Determine the thickness of the slab, the section size of the supporting beam, and the strength grade of reinforcement and concrete. According to the plastic calculation method and the elastic theory calculation method, the internal force and reinforcement of slab and supporting beam are calculated. -
Requirements for reinforcement structure of reinforced concrete slab Slab reinforcement regulations: reinforced concrete slabs are flexural members, which can be divided into bottom load-bearing reinforcement, upper negative reinforcement and distribution reinforcement according to their functions. -
Construction of cast-in-place reinforced concrete anti-collision guardrail Stones: The variety, specification and quality of stones shall meet the requirements of the current national standard Technical Specification for Construction of Highway Bridges and Culverts (JTJ 041), and samples shall be taken and retested after mobilization. -
Reinforced concrete cast-in-place floor design pdf Design of cast-in-place reinforced concrete floor&nbs -
Construction of a cast-in-place reinforced concrete anti-collision barrier The scope of application is applicable to the construction of cast-in-place reinforced concrete anti-collision barriers in bridge engineering. -
This data is Dezhou rain sewage cast-in-place reinforced concrete The distance from the end of the overlapping length to the bending of the reinforcement at the position of the reinforcement binding joint shall not be less than 10 times the diameter of the reinforcement, and shall not be at the maximum bending moment. 2) For the connection of reinforcement, no matter welding or binding, the joints set in the same component shall be staggered 33 times the diameter of reinforcement (binding joints shall not be less than 30 times the diameter of reinforcement), but not less than 500 mm. -
Discussion on structural negative reinforcement and distributed reinforcement of cast-in-place reinforced concrete slab The cast-in-place reinforced concrete floor (roof) slab shall be configured with necessary structural reinforcement and distribution reinforcement according to the Code for Design of Concrete Structures (GB50010-2002) (hereinafter referred to as the Code for Concrete) in addition to the longitudinal load-bearing reinforcement according to the calculation. Reasonable allocation of structural reinforcement and distribution reinforcement of reinforced concrete slab is not only conducive to ensuring the building (house) -
LG03 reinforced concrete hollow slab Shandong Province LG03 reinforced concrete hollow slab Shandong Province -
Discussion on design method of cast-in-place reinforced concrete hollow beamless floor Cast in situ concrete hollow floor is a new type of beamless floor. This paper discusses three calculation models and methods of hollow beamless floor, and summarizes various calculation methods. -
Construction organization design for reinforcement of reinforced concrete monolithic cast-in-place hollow slab bridge The bridge was built in the 1990s. The upper structure is 1 × 6+4 × 13m reinforced concrete monolithic cast-in-place hollow slab, the lower structure is gravity pier, and Luodu bank is connected with 24m subgrade retaining wall. -
Strengthening construction organization design of reinforced concrete monolithic cast-in-place hollow slab bridge The bridge was built in the 1990s. The upper structure is 1 × 6+4 × 13m reinforced concrete monolithic cast-in-place hollow slab, the lower structure is gravity pier, and Luodu bank is connected with 24m subgrade retaining wall. -
Treatment of column offset of cast-in-place reinforced concrete frame This paper discusses the reasons, prevention and treatment of the displacement of cast-in-place reinforced concrete frame columns. -
Analysis on the causes of cracks in cast-in-place reinforced concrete slabs In previous years' residential construction, the reinforced concrete precast slab is an important component of the brick concrete structure house. However, due to some fatal defects in its structure, namely poor integrity and seismic resistance, it has been gradually replaced by the steel reinforced concrete cast-in-place slab in recent years' residential construction -
Construction of cast-in-place reinforced concrete integral roof It is difficult to form cast-in-place concrete roof truss at one time, and the implementation of phased pouring -
Gan04G313 cast-in-place reinforced concrete slab stairs It is applicable to Jiangxi Province. It mainly introduces the form and reinforcement of cast-in-place reinforced concrete slab stairs -
Moment modulation method of reinforced concrete two-way slab Referring to the moment modulation method of one-way continuous slab, the principle and method of moment modulation of two-way slab are proposed, and the calculation table for moment modulation is given -
Design calculation sheet of reinforced concrete cast-in-place floor In the floor plan of a multi-storey industrial building, the environment category is Class I, and the floor is proposed to be cast-in-place reinforced concrete beam slab structure. -
Plastic limit analysis of reinforced concrete beams and slabs This document is the plastic limit analysis of reinforced concrete beams and slabs, including: [Example 1] mm reinforced concrete beams embedded at both ends, C30 concrete (=14.3Mpa,=1.0), HRB400 reinforcement (=360Mpa), reinforcement as shown in the following figure (single reinforcement section), and the ultimate concentrated load in the middle of the span (ignoring the self weight of the beam). [ Example 2 -
Large cantilever cast-in-place reinforced concrete special-shaped column Positioning and surveying the control line → erecting the bottom formwork support scaffold → assembling the bottom formwork → butt joint of column reinforcement, bending processing, binding stirrups (and binding the railing beam reinforcement at the same time) → closing the column side formwork and top formwork → checking the spatial position of column formwork (level, elevation, perpendicularity) → formwork reinforcement, Add support and cable-stayed unloading steel wire rope → recheck the spatial position of formwork → pour column concrete → pour railing -
Cast in situ construction of continuous slab reinforced concrete beam In order to ensure the smoothness of the road and achieve the goal of the construction period, combined with the conditions of its own construction equipment, it is decided to use the support method to cast continuous slab beams in situ. 2.1 In the cast-in-place scheme, 4 temporary brick buttresses are set, and 2 pieces of Ⅰ 56 steel are laid under each continuous beam. A total of 40 pieces are arranged horizontally, and each piece is 11.43m long. φ 70mm steel pipe shall be laid on the I-beam surface at an interval of 0.2m -
Research on Cracks of Reinforced Concrete Cast in situ Floor Slab The engineering object, structure type, time of crack occurrence, location and characteristics of cracks in cast-in-place reinforced concrete floor of ordinary buildings are proposed. Through the formation mechanism of concrete cracks and the analysis of influencing factors, this paper comprehensively analyzes the causes of cracks in cast-in-place reinforced concrete floor slabs of residential buildings, puts forward the control countermeasures and treatment methods, and introduces new materials and new processes. -
On shrinkage crack control of cast-in-place concrete hollow slab The application field of cast-in-place concrete hollow floor is constantly expanding, but cracks often occur due to the shrinkage stress of concrete. This paper analyzes the causes of cracks in cast-in-place concrete hollow floor, and puts forward effective measures to control the cracks. -
Typical design of cast-in-place reinforced concrete arch ring construction Scope of application, construction preparation, construction process -
Construction design of cast-in-place reinforced concrete anti-collision guardrail Construction technology, quality standards, environmental, occupational health and safety management measures -
Cast in situ gravity reinforced concrete retaining wall Cast in situ gravity reinforced concrete retaining wall, including the scope of application, technical preparation, material requirements, construction process, operation conditions, etc., can be downloaded for reference -
Installation and construction of reinforced concrete beam and slab components Content introduction 1. When the parts reach the specified strength, they shall be transported to the storage yard with a crane, and the horizontal sleepers shall be placed at the lifting points and placed firmly. 2. The site for placing components shall be flat and compacted without subsidence and ponding. 3. The components shall be stacked horizontally and layer by layer according to the hoisting sequence and direction, the signs shall be outward, and the plate beam shall be placed horizontally. Generally, it shall not exceed three layers, and they shall be firmly supported layer by layer -
Construction disclosure of cast-in-place reinforced concrete arch ring This material is: construction disclosure of cast-in-place reinforced concrete arch ring, shared for everyone to download. -
Construction organization design of reinforced concrete slab arch bridge The project is located in a town in Guizhou. It is a cast-in-place reinforced concrete monolithic simple supported slab bridge with a clear width of 7m+2 × 1.5m sidewalk, a span of L-3 × 13m and a length of 48m. -
Analysis of cracks in cast-in-place reinforced concrete slab in construction engineering Cracks in cast-in-place reinforced concrete slabs are quite common in construction engineering, and there are many reasons, which can be analyzed from two aspects of construction and design. -
Course Design Calculation Sheet of Cast in situ Reinforced Concrete Two way Slab Floor 1. Be familiar with the process and method of concrete structure design, and master the design theory of concrete structure 2. Be familiar with Load Code for the Design of Building Structures and Code for Design of Concrete Structures -
Application of GBF high-strength composite thin-walled pipe in cast-in-place reinforced concrete hollow floor This paper introduces the characteristics, process principle, process flow and construction technology guarantee measures of GBF high-strength composite thin-walled pipe. Compared with ordinary concrete, it reflects its advantages -
Construction Scheme for Prefabrication and Installation of Post tensioned Prestressed Reinforced Concrete Hollow Slab There are two separated flyovers in this section: Beigang Flyover and Zhongnantang Flyover, the superstructure of which adopts post tensioned prestressed reinforced concrete hollow slab. The construction of hollow slab is the key and difficult point of the two bridges. 1. Beigang Interchange is located 150m to the southeast of Beigang Village, Shaokou Township, Wan'an County. It is an overpass separation overpass on the main line. The central stake number is K154+51 -
Structural data simplified calculation of reinforced concrete hollow slab without beam floor and edge support Structural data - beamless floor - is applicable to front-line designers of major architecture design institutes and real estate developers across the country. -
05SG343 (cast-in-place concrete hollow floor) Atlas of cast-in-place concrete hollow floor
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one Construction of reinforced concrete hollow slab -
two Specification of reinforced concrete hollow slab -
three Lanzhou cast-in-place concrete hollow slab -
four Qingyang cast-in-place concrete hollow slab -
five Jiuquan cast-in-place concrete hollow slab -
six Longnan cast-in-place concrete hollow slab -
seven Gansu cast-in-place concrete hollow slab -
eight Jinchang cast-in-place concrete hollow slab