-
Technical disclosure record of construction of a corrugated beam steel barrier 1.1.1 Constant section wave shaped beam, column and anti blocking block shall be made of Q235 steel and conform to relevant regulations of JT/T457-2001. 1.1.2 Splicing bolts shall be high-strength bolts and comply with GB3077. The bolt material category is 20MnTiB. Splicing nuts shall be 45 # steel and comply with GB699. -
Record of Technical Disclosure for Construction of Corrugated Beam Steel Guardrail Project overview, technical standards and precautions for construction of corrugated guardrails -
Technical disclosure of column beam plastering construction In order to ensure the connection quality and speed up the progress, at the same time, due to the shortage of on-site power supply, in order to reduce the power consumption of welding machinery, the beam and slab horizontal bars within the diameter of 12 are connected by binding (including Φ 12), Φ 14~Φ 18 are connected by flash butt welding, and above Φ 20 are connected by straight threads. -
Technical disclosure design of continuous beam construction Purpose of disclosure, basket construction and basket assembly -
Technical disclosure of construction of anti slide pile 1. The length of anti slide pile is 22 (20) m, the cantilever is 8 (6) m, the section size is 2.5 × 3.5 m, and the pile spacing is 6 m. 1. Before construction, contact the Engineering Technology Section of the Project Department to carry out the excavation of pile holes according to the established construction sequence. 2. According to the determined construction sequence, contact the construction survey personnel of the Project Department to survey the pile position, and use the total station to set out the pile -
Technical disclosure of general plastering construction General plastering construction technology disclosure, detailed design, for designers reference. -
Technical disclosure of cast-in-place beam construction of interchange （1） According to the requirements of the construction period and the actual situation on site, Taiyuan Branch plans to use three sets of bowl shaped scaffolding to meet the construction requirements. The specific construction sequence is as follows: (1) The seventh link on the left side of the main bridge K136+525, the sixth link on the left side of the main bridge K136+525, the first link on the C ramp bridge, the second link on the C ramp bridge, the fourth link on the B ramp bridge, and the B ramp bridge -
Technical disclosure for concrete construction of station track beam The quality of various materials and mixtures used for mixing concrete shall be inspected, and raw materials not inspected shall not be used. 2、 Materials for preparing concrete -
Technical disclosure of anchor cable frame beam construction 1、? The frame beam adopts a rectangular layout, and adopts on-site formwork erection construction. The strength grade of the head concrete is consistent with that of the frame beam. The section size of the anchor cable frame beam is 0.4m × 0.45m for the vertical beam, 0.4m × 0.3m for the I-beam, 0.4m × 0.45m for the II beam. 2. The angle between the anchor cable and the horizontal plane is 20 °. The anchor cable is of high strength and low relaxation -
Construction technical disclosure of continuous beam closure section Overall construction scheme, process flow and construction method -
Technical disclosure of launching beam construction of continuous beam bridge Concept of launching method construction, equipment, layout and preparation for launching method construction, construction process -
Technical disclosure of prestressed concrete T-beam construction There are 315 30m prestressed concrete T beams in this contract section, and the maximum weight of one T beam is 72.574t. According to the number of T-beams, the distribution of bridge sites and the specific conditions of the site, and in combination with the construction period, a precast yard is proposed for the whole line. The precast yard is set on the subgrade of K1+180 ～ K1+500 section. -
Technical disclosure of prestressed anchor cable frame beam construction Before the construction of the anchor cable, the slope shall be constructed manually in layers from top to bottom, that is, excavation and protection. When excavating to the side slope of the anchor cable lattice beam, the excavation height of each layer is the distance between the upper and lower crossbeams of the anchor cable, and the over excavation is strictly controlled until it reaches the lower platform, and then the lattice beam foundation is excavated and the anchor cable is applied. After the slope surface of each layer is opened, if it is soil slope, it shall be covered with color strip cloth in time, -
Technical disclosure of dock onshore track beam construction This material is: the technical disclosure of the construction of the dock's onshore track beam, which is shared for download and reference, -
Technical disclosure of trench excavation construction 1.1 Before construction, carefully check the design drawing, grasp the situation related to construction, and use manual excavation and exploration method to find out the situation of existing underground pipelines and various cables so as to take reasonable corresponding measures. When excavating near buildings and poles, do a good job of protection or relocation. 1.2 Remeasure the ground elevation and pipeline axis, determine the excavation depth -
Technical disclosure of bridge and culvert centrum construction Before commencement, organize relevant construction personnel to fully understand and check the construction drawings, technical disclosure and construction technical specifications, fully understand the intent of the drawings, and make technical preparations. -
Technical disclosure of lead wire gabion construction 1、 Construction preparation (I) Operation condition 1. Surveying and setting out are completed and accepted by the supervising engineer. 2. The excavation of lead wire gabion foundation and bank slope is completed and accepted by the quality supervision station. （2） Construction material preparation and technical requirements 1. Technical requirements for high galvanized lead wire gabions: (1) The outer diameter of the lead wire of the cage frame is Ф 3.5MM, and the outer diameter of the lead wire of the network wire is -
Municipal construction technical disclosure record This document is the municipal construction technical disclosure record, which is detailed and can be downloaded for reference. -
Technical disclosure of roof insulation construction Construction process of composite rigid foam polyurethane board insulation: base course cleaning → laying of insulation layer → filling of slab joints → inspection and acceptance → leveling course base course cleaning Clear sundries and garbage on the slope making surface, and the surface is dry; When laying the insulation layer, first snap out the dividing line, arrange the boards according to the dividing line, and dry lay the polystyrene board. Composite 40mm -
Technical disclosure of main building formwork construction Process flow: formwork cleaning → raft formwork installation → screw installation → horizontal and vertical back ridge reinforcement → flatness, acceptance of guide wall formwork Process flow: welding and fixing reinforcement → formwork installation → screw installation → horizontal and vertical back ridge reinforcement → flatness, acceptance of concrete raft formwork using wood glued formwork. The formwork adopts 1220 × 2440 × 15mm plywood, and the secondary keel adopts 5 -
Technical disclosure of masonry plastering construction Material preparation: semi-finished mortar or premixed mortar, 325 # cement, medium coarse sand, lime paste, 108 glue. Preparation of machines and tools: mortar mixer, vertical transportation machinery, wire support plate, wire hammer, wood trowel, iron trowel, 2m aluminum alloy scraper, wood ruler for clamping mouth, shovel, internal and external corner trowel, water brush, trolley, etc. Construction position: according to the drawing -
Technical disclosure of reinforcement binding construction (1) Drawing review: carefully review the drawings and construction scheme before construction, learn the relevant safety and quality specifications, as well as the anti-seismic structural atlas and detailed structural drawings of relevant buildings, and set out a large sample of the densely reinforced parts to determine the construction method. If problems are found, contact the design team to solve them in a timely manner. When reinforcement replacement is required, design change documents shall be handled (the General Contractor will be punished for unauthorized changes) -
Technical disclosure of tall formwork construction There are 300 × 800, 350 × 850, 450 × 1100, 400 × 1200 and 600 × 1200 large section beams in this project. According to the requirements of JJW [2009] No. 87 document, some beam construction needs to be demonstrated by experts. Namely, beams and slabs with a span of 18 m and above, a concentrated line load of 20 kN/m and above, and a local area of more than 8 m, all belong to -
Technical disclosure record of high formwork erection (1) The steel pipe scaffold (fastener type) is used to erect the support system for the high formwork construction part of the project. Steel pipes with a diameter of 48 mm and a wall thickness of not less than 3 mm are selected. 50 × 80 mm square timber is used as the back edge square timber and 15 mm thick wood plywood. (2) Steel pipes and fasteners shall not be bent, rusted, flattened or cracked; Do not use -
Technical disclosure of cast-in-place box girder construction I Project overview II Reservation and embedment and precautions III Support erection of cast-in-place box girder IV Support preloading of cast-in-place girder V Support installation VI Construction of cast-in-place girder VII Preventive measures for common quality problems of cast-in-place girder construction -
Technical disclosure of trench backfilling construction This document is the technical disclosure of trench backfilling construction, which is detailed and can be downloaded for reference. -
Technical disclosure of surveying and setting out construction This document is the technical disclosure of surveying and setting out construction, which is detailed and can be downloaded for reference. -
Technical disclosure of asphalt pavement construction This data is the technical disclosure of asphalt pavement construction, which is detailed and can be downloaded for reference. -
Technical disclosure of subgrade earthwork construction This data is the technical disclosure of subgrade earthwork construction, which is detailed and can be downloaded for reference. -
Construction technical disclosure record materials Contents of disclosure 1. Name of disclosure division (sub division) and subdivisional works: 2. Name and number of disclosure implementation standard: -
Technical disclosure of concrete construction in summer For concrete mixtures requiring high slump, high-efficiency water reducing agent can be considered. -
Technical disclosure of foundation formwork construction This project is the power center of the "Tenth Five Year Plan" technical transformation project of Changsha Cigarette Factory. Brick mold is used for foundation works. -
Technical disclosure of concrete construction in winter For the winter construction of Qingxian beam fabrication yard, the winter construction is determined according to the node construction period plan issued by the Bureau and the current construction progress. -
Technical disclosure of underground formwork construction The template position line, door and window opening position line, elevation line and control line have been snapped. -
Technical disclosure of reinforcement welding construction Rebar: the grade and specification of rebar must meet the design requirements, with product certificate, factory test report and mobilization re inspection report. -
Construction technical disclosure record (electrical) Be familiar with design drawings and relevant regulations. If there are any questions or suggestions, they should be put forward in time, and the construction can be carried out after obtaining the specific reply and visa from the design department. -
Technical disclosure data of water pipe construction This document is the technical disclosure of PE water supply pipe construction, which is detailed and worthy of reference. -
Technical disclosure materials for dynamic compaction construction An exploratory hole shall be arranged at the adjacent location in each test area, and a small screw drill shall be used to sample every 0.5m within the depth of 8m to measure the dry density, compression modulus, collapsibility coefficient, etc. of the foundation soil. -
Technical disclosure materials for blasting stop construction The Tiefengshan mountain range that the tunnel passes through is east-west. The highest point of the tunnel site area is Tiefengshan Mountain. The highest point of Liangfeng Pass where the tunnel passes through is 1199.79m in elevation, with a relative height difference of 809.00m. -
Technical scheme for construction of anti-collision guardrail This paper is a technical scheme for the construction of anti-collision guardrail, which is mainly described in detail from four aspects: surveying and setting out, reinforcement installation, base construction, and guardrail body construction.
-
one Technical disclosure of support beam construction -
two Technical disclosure of lattice beam construction -
three Technical disclosure of frame beam construction -
four Basis for construction technical disclosure -
five Technical disclosure of corrugated guardrail construction -
six Technical scheme for construction of corrugated guardrail -
seven Technical disclosure of pedestrian guardrail construction -
eight Technical disclosure of crash barrier construction