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The bridge template that the highway needs, probably with what kind of thickness can satisfy
- According to the actual situation of your projects
I would like to ask the tunnel hydraulic trolley steel template design is the use of what software
- Tunnel lining trolley design software is CAD, the use of the software for the design of the structures
In the tunnel construction, the water stop strip and the water stop strip are used in what place
- 5, the user should be based on the order of the project structure, design drawings to calculate the length of the product, the special-shaped structure should have drawings, as far as possible in the factory will be connected to the wholes
Tunnel construction technology and method
- The construction methods and technical measures2.1 construction processTo measure the slope, slope protection, Boulder rolling, processing or drainage construction, earthwork excavation, slope protection, inverted arch and side wall foundation construction, liming cave mould, steel banding, liming mould, pouring concrete, concrete outside the health to release, waterproof layer construction, backfilling and protection engineering construction.2.2 construction methods1) Myongdong and a complete portal excavation, excavation with full width transverse dredging method once formed, the first slopes, put the line before the excavation, then drain.2) with earthwork excavating, the small rock blasting method, drill hole, millisecond electric detonator, mucking loaders, dump truck transport, blasting near the slopes, with smooth blasting, in order to ensure the stability of slope. Excavation from top to bottom, side of the construction side slope excavation and slope into the face of the protection works.3) the first tunnel excavation after 10 ~ 20m, and then open cut tunnel lining. When construction, pay attention to Myeongdong and at the joint of the dark hole, from the inside out.4, before entering the cave, complete all slope reinforcement and protection measures.s
When the tunnel fight, there is no provision for the number of meters hit
- Fixed strip: the use of additional reinforcement fixation; special fixture fixed; the wire and the fixed template (Figure 2).s
I would like to ask the tunnel step method excavation, the height of each step is how to divide?
- Tunnel excavation adopts mechanical construction, tunnel excavation using simple self assembling drilling trolley, millisecond detonator, in order to improve the effect of smooth blasting around the eyes, around the eye using special Nonel detonation. Tunnel outlet using muck loader, dump truck with transport ballast. Two tunnel lining concrete use of the length of integral pouring formwork trolley 12M, concrete mixing station in centralized mixing, concrete transport vehicle transport pump into the mold.s
Concrete construction technology of tunnel roof?
- Concrete construction technology of tunnel roof:Due to the main roof, the floor of a large amount of concrete pouring, consider the construction period and other factors, the site is equipped with 2 sets of automotive pump or HBT60 pump and 300m Phi pipe and a variety of accessories.s
What grade of concrete used for tunnel cushion
- Course (bed) refers to the structural layer below the base level. Its main function is to separate water, drainage, antifreeze in order to improve the working conditions of the base and foundation, and its water stability requirements.s
The classification of hinge installation method
- According to the base, the door cover hinge position, can have many different cross classification, according to the spatial features using hinge into four categories, how to use h...
Cement board wall
- Cement board wall is a flat building with cement as the main raw materials processing and production, it is between a gypsum board and stone free cutting, drilling, carving of buil...
Have you ever used aluminium composite material
- Aluminium composite material are usually used at automobile industry,Optical equipment industry, but also at sports products industry that offer danymic in this field. Have you eve...
Difficulties of Project Management Construction
- As is known to all, project management construction is a vital specialized course of civil engineering major, which consists of several important objectives such as quality, time a...
Do you know which kind of thickness plasterboard will be better
- Do you know which kind of thickness plasterboard will be better? Thickness: ( mm) 6.4 to 16 is the best choice for many buyers.There are three kinds of gypsum board, regular gypsum...