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Deep cement mixer - Shanghai Strong Foundation Offshore DCM vessel
15 Sep

Deep cement mixer - Shanghai Strong Foundation Offshore DCM vessel

Deep cement mixer (DCM ship) integrates many high-end technologies, such as underwater soil cutting and mixing, precise injection of cement grout, exchange of high and low grout spout, environmental protection treatment system and intelligent control construction. Shanghai Strong Foundation has fully mastered the core technology of intelligent construction, such as mobile positioning system, leveling system, cement slurry mixing and grouting system, down-drilling and driller pile system, etc., breaking the monopoly of Japan and South Korea in this field, and filling the domestic gap.

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Strong foundation -- PHC pipe pile
13 Sep

Strong foundation -- PHC pipe pile

PHCPipe pile (pre-stressed high-strength concretePrestressed high strength concrete pipe pile) is a hollow cylindrical concrete precast component made of high temperature, atmospheric pressure, high temperature and high pressure secondary steam curing process.

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Shotcrete anchor retaining technology for foundation pit
11 Sep

Shotcrete anchor retaining technology for foundation pit

Shotcrete support is a support method of concrete + bolt, which refers to the combination of high pressure shotcrete and metal bolt driven into the rock layer (or separately according to the geological situation) to strengthen the rock layer.

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Foundation pit supporting construction unit
09 Sep

Foundation pit supporting construction unit

Foundation pit supporting construction unit, foundation pit supporting plays the role of retaining soil, stabilizing the bottom of the pit and intercepting water in the engineering construction, ensuring the safety of the surrounding environment and the safety of the engineering construction. In order to ensure the construction safety of structural engineering and the safety of the surrounding environment, it is necessary to rely on the foundation pit support to control the soil surface. Its main function is to fix and ensure the stability of the bottom of the pit by blocking water flow, soil resistance and other ways. The retaining structure of foundation pit plays the role of temporary retaining structure during construction.

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Cement mixing pile for foundation treatment
07 Sep

Cement mixing pile for foundation treatment

Cement mixing pile is an effective method of soft soil foundation treatment, is the cement as the main agent of curing agent, the use of special deep mixing machinery drilling soil predetermined position, drilling at the same time, with high pressure equipment will spray cement into soil and stir fully, so that cement and soil a series of physical and chemical reactions, The soft soil is solidified to form a cement-soil pile with integrity, water stability and a certain strength. The reinforced soil, the soil between the columns and the columns constitute a composite foundation, so as to achieve the purpose of foundation reinforcement.

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Strong foundation - long auger bored pile
05 Sep

Strong foundation - long auger bored pile

Long spiral drilling pressure filling pile technology is on the basis of long spiral drilling filling pile technology evolved, mainly USES the long spiral drill hole to the design elevation, using concrete pump concrete from the bottom of the drill bit pressure, pressure pouring concrete while the drills until the pile, and then use a special vibration device insert reinforcing cage a concrete pile, the form of reinforced concrete piles.

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Soil nailing wall foundation pit supporting technology
03 Sep

Soil nailing wall foundation pit supporting technology

Soil nailing wall is a kind of in-situ soil reinforcement technology. A threaded steel bar is drilled into the in-situ slope of the side wall of the excavated soil, and grouting is performed along the full length of the hole to form a slender rod anchored in the soil, which is called soil nailing. Depending on the friction resistance between the soil and the soil, the soil is subjected to passive force when deformation occurs, and mainly bears the tensile force. With the layered excavation of the earth, the vertical and horizontal soil nail groups are formed on the slope, and then the reinforced concrete surface is sprayed on the surface of the slope body to make the surface layer......

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PC construction method pile foundation pit enclosure technology
01 Sep

PC construction method pile foundation pit enclosure technology

The predecessor of PC construction pile is Larsen steel sheet pile. Because the section of Larsen steel sheet pile is too small, it needs multi-layer anchor structure in the deep foundation pit enclosure engineering, and the construction is difficult, affecting the construction period, so the PC construction pile came into being. PC construction pile is a combination of seamless steel pipe and larsen steel sheet pile, which can effectively improve the stiffness of section. It is suitable for deep foundation pit of 7~18m, and is widely used.

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Foundation treatment and reinforcement
30 Aug

Foundation treatment and reinforcement

Foundation treatment and reinforcement refers to when the bearing capacity of the soil layer is poor, or the upper load is too large, in order to improve the robustness and stability of the foundation to meet the requirements of the superstructure bearing capacity and deformation, the soil layer can be strengthened.

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Composite foundation treatment technology
28 Aug

Composite foundation treatment technology

Composite foundation is a kind of artificial foundation which is formed by the reinforcement or displacement of some soils. The ACTION MECHANISM OF COMPOSITE FOUNDATION: 1, PILE ACTION, 2, COMPACTION action, 3, ACCELERATED CONSOLIDATION action, 4, cushion action, 5, reinforcement action.

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