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Technical disclosure of road construction in a school Labor organization and arrangement: according to the plan of main concrete quantities and concrete pouring speed (6 m3/12min), the concrete pouring personnel are divided into one team, which is coordinated and operated continuously by the project manager to ensure continuous concrete pouring -
Technical scheme for road engineering construction Road engineering construction technical scheme, construction organization deployment, ordinary road construction technology, asphalt concrete pavement construction, key personnel and machinery allocation, safe and civilized construction -
Technical disclosure of road and pipe network construction Gravel and sand cushion shall be evenly mixed and then paved. During paving, leveling shall be carried out while paving, and plate vibrator shall be used to vibrate and compact the cushion surface. -
Construction technical disclosure of a road reconstruction project Civilized construction and safe production. (1) The site shall be kept clean. (2) Scaffolds and boards used for construction shall be firm and equipped with relevant safety protection facilities. (3) The safe use of electricity shall be managed by special electricians instead of randomly connecting wires. -
Technical disclosure of municipal road engineering construction Gangwu 1st Road has a total length of 2624.72m. The project department will build K1+360-K2+624.72 section, 1264.72m long. The red line in the normal section is 40m wide. -
Technical disclosure of asphalt pavement construction of road works Earth excavation shall be carried out in layers from top to bottom, and the distance between two operators shall be more than 2.5m. It is forbidden to use the method of digging the bottom. -
Construction technical disclosure of a municipal road project At the construction joint, it is allowed to continue pouring until the compressive strength of poured concrete reaches more than 1.2Mpa. Before pouring, the concrete surface of the construction joint shall be roughened, loose stones shall be removed, and the concrete shall be washed with water. Before continuing to pour concrete, a layer of cement slurry shall be poured first, and then the concrete shall be poured normally, and carefully vibrated and compacted to ensure good bonding -
Technical disclosure of masonry construction Contents of disclosure: 1. Preparation basis 1. Construction blueprint and drawing review record of the project. 2. Current national technical standards, atlases, construction acceptance specifications, engineering inspection and evaluation standards; Unified Standard for Constructional Quality Acceptance of Building Engineering (GB50300-2013), Code for Constructional Quality Acceptance of Masonry Structures (GB50203 -
Technical disclosure of subgrade construction Contents of disclosure: 1. Construction preparation: 1. Main mechanical equipment: bulldozer, excavator, loader, grader, roller, sprinkler, dump truck, etc. 2. Operating conditions: (1) Resurvey the centerline and traverse of the subgrade, set out the side piles of each design section, measure and draw the cross section, and check the design quantities of the subgrade. (2) According to the excavation, filling and -
Technical disclosure of chimney construction The construction procedure of hydraulic slipform method without derrick is: site leveling+surveying and positioning, setting out → foundation pit excavation → foundation and waterproof layer construction → earthwork backfilling → cast-in-place construction of cylinder below the flue opening → installation of slipform device → cylinder construction → lining masonry → installation of auxiliary facilities → installation and removal of slipform → civil engineering completion and acceptance. -
Technical disclosure of silo construction The foundation construction method is the same as the section "11.1 Chimney works". Only when the raft length of the silo group is very long (more than 40m), it should be considered to leave a through post cast joint belt at an appropriate part in the middle to avoid temperature shrinkage cracks and facilitate the construction of sectional flow process; For raft foundation with a thickness of more than 1.0m, it shall be considered to reduce cement hydration heat and concrete pouring -
Construction technical disclosure of a door and window project II Construction method 1) Profile doors and windows 1. When installing doors and windows adjacent to the same wall, pull the horizontal line to make the installed doors and windows level on the left and right, and the elevation is uniform. 2. Before installing the hardware fittings, check whether the doors and windows are firmly installed, whether the opening is flexible, and whether the closing is tight. If there is any problem, install it after adjustment. 3. When installing hardware accessories, pay attention to all kinds of -
Technical disclosure of formwork construction Wall column formwork: when snapping the position line of wall formwork, the extension of both ends shall be 500mm each time, and another formwork inspection control line shall be snapped 200mm outside the wall location line. -
Technical disclosure of foundation engineering construction Formulate excavation plan, determine reasonable excavation method, construction sequence and slope protection measures, and select appropriate construction machinery. -
Construction technical disclosure of a masonry project Placing and correction of blocks: Before building blocks, the floating dust and sundries on the surface shall be cleaned up. The blocks shall be placed from far to near, from bottom to top, from outside to inside. Starting from the corner or the positioning block, the blocks shall be hoisted and corrected one by one. -
Construction technical disclosure of subdivisional works Switch wiring: the switch cutting position in the same place shall be consistent, and the operation shall be flexible, and the contact contact shall be reliable. The phase lines of electrical appliances and lamps shall be controlled by switches. -
Technical disclosure of cushion cap construction According to the traverse control point and the design size of the cushion cap, measure and set out the side piles around the cushion cap on the original ground, and use lime marks. At the same time, measure the original ground elevation, and calculate the height difference between the bottom of the cushion cap and the original ground. For the excavation and sloping of cushion cap, according to the soil layer within the construction scope, the excavation slope shall be in accordance with the requirements of the specification (Code for Building Slope (GB 50330-2002)) and the site soil -
Construction technical scheme of field road works Construction technical scheme of field road works -
Technical disclosure of bored cast-in-place pile construction of road engineering The bearing capacity of the foundation must reach 100kPa. If the bearing capacity of the foundation is found to be insufficient, it should be reported to the technical director and the constructor for treatment. -
Technical disclosure of electrical engineering construction According to the requirements of engineering design drawings and construction acceptance specifications, combined with the actual situation of the construction site and the actual technical level of the construction team, the construction technical disclosure is carried out. -
Technical disclosure of subgrade filling construction This data is the technical disclosure of subgrade filling engineering construction, a total of 31 pages, detailed and accurate, for reference. -
Construction technical disclosure of complete culvert works There are 36 culvert works in the third section of xx railway, which are respectively constructed by the first project department (xx reconstruction (culvert) 110~120), the third operation team of the second project department (xx reconstruction (culvert) 121~125), the fourth operation team of the second project department (xx reconstruction (culvert) 126~142), and the fifth operation team of the second project department (xx reconstruction (culvert) 143~145). -
Technical disclosure of road engineering safety construction supervision 1. Before cutting excavation, waterproof and drainage facilities at the top of the cutting shall be well prepared. Temporary drainage facilities in the excavation area shall be combined with permanent drainage facilities, and shall be connected with the original drainage system. Before cutting excavation, check the dangerous rocks, cracks and other instabilities on the slope top and slope surface, and take appropriate measures according to the situation to ensure construction safety. After the completion of each level of excavation, the slope shall be protected in time. -
Technical disclosure of concrete cushion construction Materials and main machines and tools: (1) Cement: No. 325 Portland cement, ordinary Portland cement and slag Portland cement should be used. (2) Sand: medium sand or coarse sand, with silt content not more than 5%. (3) Stone: pebble or crushed stone, with a particle size of 0, 5~3, 2cm, and a silt content of no more than 2%. (4) Concrete mixer, scale, trolley or dumper -
Technical disclosure for construction of concrete subdivisional works (1) Base course treatment: the laitance, loose concrete, mortar, etc. bonded to the concrete base course shall be removed with a chisel, the cement slurry skin shall be brushed off with a wire brush, and then cleaned with a broom. (2) Snap the horizontal control line according to the elevation: measure the cushion elevation downward according to the+50cm horizontal elevation line on the wall, and snap it on the four walls if possible. (3) Concrete mixing -
Technical disclosure of plastering construction Technical disclosure of plastering construction, base treatment: clean up the residual dirt and dust on the base. The hole, trunking and other parts shall be filled with mortar mixed with UEA -
Technical disclosure for safety construction of road reconstruction project Before trench excavation, it is required to recheck the center line of the pipeline and close the benchmark. The method of excavation, construction, acceptance and continuous rolling is adopted for construction. The trench acceptance must be self inspected and approved and signed by the construction unit or supervision unit before the next process can be started. -
Technical disclosure for cushion cap construction of road reconstruction project Pipe installation; During installation, the pipeline axis and elevation must be corrected at any time; After installation, concrete pouring and tamping of pipe shoulder, mouth plastering, tape plastering, hooking, and masonry of sand well (inspection well) can be carried out. After the above works are completed, they must be cured. After reaching 80% of the design strength, the relevant departments shall be notified immediately to accept the pipeline according to the requirements. After the acceptance is qualified -
Technical disclosure for construction of reinforcement subdivisional works For the full-length longitudinal reinforcement of frame shear beam or slab, the surface reinforcement shall be lapped at 1/3 of the midspan, and the bottom reinforcement shall be at the support; The lap length shall be in accordance with the design drawings, and if there is no design requirement, the lap length shall be in accordance with the specification requirements. When the secondary beam is the same height as the main beam, the main reinforcement of the secondary beam should be placed on the main beam, and the height of the overlapping reinforcement should be deducted from the main reinforcement stirrup to prevent the surface reinforcement protection layer from being too small. When the gap between the top of the door and the bottom of the beam is ≤ 300 -
Technical disclosure record of subgrade construction The stones shall be divided into the following two types according to the degree of processing: 1) Rubble: the shape is unlimited, but the thickness of the middle part shall not be less than 15cm. The surface of the rubble used for veneer should be flat and large, and the edge thickness should not be less than 15cm. 2) . Block stone: roughly square in shape, without sharp edges and convex corners, flat on top and bottom, thickness not less than 20cm, length and width -
Technical disclosure of pavement and ancillary works construction The width of the masonry joint on the surface of the positioning masonry shall not be greater than 4 cm. The inscribed circle of three adjacent stones on the masonry surface shall not be more than 7cm, and the staggered joint between two layers shall not be less than 8cm. -
Technical disclosure of road construction of a landscape reconstruction project Finished product protection (1) Formwork and support system shall be stacked in sequence according to different levels and sequences of use, so as to facilitate installation and disassembly and improve comprehensive utilization rate. In addition, attention shall be paid to leaving open space or traffic roads for easy access during stacking. (2) The formwork is generally stacked horizontally, and each stack of materials should not be too much. The outdoor stack should be anti-corrosion, waterproof and rainproof, -
Construction technical disclosure of a lane regulation project After roughening and cleaning the old pavement within the starting and ending points of the road, spray the tack coat oil in a dry state. When spraying the tack coat oil, it should be evenly sprayed according to the design requirements (1kg/m2). After spraying the asphalt, it should be allowed to dry for a certain time until the viscosity is suitable for paving the pavement. -
Construction technical disclosure of masonry works For steel pipes with pipe diameter of 25mm and below, manual pipe bender can be used to bend on site. One end of the pipe can be stepped on and then the pipe bender can be pulled to gradually bend out the required bending degree. Hydraulic pipe benders are generally used for steel pipes with pipe diameters of more than 32mm and less than 80mm. Attention shall be paid to the selection of bending die corresponding to the steel pipe specification. After the die is placed, press the pressure bar or start it -
Technical disclosure of concrete engineering construction When concrete of different strength grades is poured at the same time, steel mesh (double layer) shall be added at the boundary to prevent mixing of low strength concrete and high strength concrete. -
Construction technical disclosure of formwork subdivisional works The content is rich and detailed. However, it can only be used for reference according to the specific project conditions. -
Technical disclosure of residential formwork construction Formwork joints shall be tight without mortar leakage, and sealing measures shall be taken for joints larger than 5mm -
Technical disclosure of residential masonry construction Check whether the wall tie bar is embedded and its length meets the requirements, and straighten it in place. -
Construction technology and quality disclosure of roof works Building D8 in Zone F of Metro Home is located in Sandao Street, Daokou, off the road area, with a building area of 29690.87m2, one floor underground and thirty-four floors above the ground, and a shear wall structure. -
Technical disclosure card for unit project construction Construction technical disclosure card of unit project (drilling)
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one Technical measures for road engineering construction -
two Technical Manual for Construction Engineering -
three Technical disclosure of highway engineering construction -
four Downloading of Technical Manual for Highway Engineering Construction -
five Technical Disclosure Manual for Highway Engineering Construction -
six Technical Disclosure Manual for Construction Engineering -
seven Technical Manual for Railway Engineering Construction Tunnel -
eight Technical Data Manual for Highway Engineering Construction