Catago50lacrim
San JosePipe sand the detection pipes should be parallel to each other.
Good advantages of steel origin and convenient transportation enable us to meet customer requirements efficiently and quickly.
Dartmouth.Can the stretching speed of grouting pipe be defined?
Four advantages of establishing a good cooperative relationship with customers: Professional production equipment and testing facilities ensure the quality of the supplied grouting pipes.
.On site inspection of grouting pipe: Before on-site inspection
The detection pipes can be welded or bundled inside the reinforcement, measure the delay time from the sound wave monitor to the receiving system. And calculates a sound time correction value.
Ca （OH）2 +Na2O·nSiO2 +mH2O →CaO·nSiO2·mH2O+2NaOH,
Full section slurry discharge (4 slurry discharge holes) is uniform and smooth.
architectural engineering; Grouting technology can be divided into static pressure grouting and high-pressure jet grouting. However, according to the action mechanism of the slurry on the soil, the geological conditions, the grouting pressure, the movement form of the slurry and the alternative ways, the grouting technology can be divided into four categories: penetration grouting split grouting, compaction grouting and jet grouting.
It has good air tightness, low gas permeability, strong sealing and no leakage.
Inner diameter of repetitive grouting pipe: 8mm; Outer diameter: 20mm Inner diameter tolerance: ± 0.3mm; Length of each roll: 90m.
total cost. Chemical grouting: the grouting material is mainly chemical liquid.
● specification: inner diameter of disposable grouting pipe: 8mm; Outer diameter: 12mm; Inner diameter tolerance: ± 0.3mm; Length of each roll: 120m.
Development trend editor since the advent of Portland cement in 1824, cement grouting has been the main grouting method in engineering. However, improving the fineness of cement particles has become the main way to improve the groutability of cement slurry. Some countries have developed a kind of ultra-fine cement, which can pour fine sand with permeability coefficient of 10-3 ~ 10-4cm / s and micro cracks in rocks. It is a promising granular grouting material. Propionate is a kind of water-soluble polymer chemical slurry,DartmouthGrouting small conduit and advance anchor rod, whose viscosity is close to that of water. It is widely used in anti-seepage grouting and dynamic water plugging of fine rock cracks and medium fine sand layers. However, this kind of pulp material is toxic and pollutes the air and groundwater, so most of them have stopped production and use. In 1980, AC400 slurry was developed in the United States, and in 1982, ac-ms slurry was developed in China. The toxicity of this kind of slurry is very small (only 1% of the toxicity of propionate). It is an ideal anti-seepage slurry. The non alkaline silicate slurry developed in Japan has no alkaline pollution to groundwater, low viscosity, high gel strength,DartmouthSelf drilling hollow anchor manufacturer, good durability and does not change the pH value of groundwater. [2] Grouting method is divided into ceramic process grouting and construction engineering grouting. Ceramic process grouting is the process of using the prepared mud injection in ceramic production. Construction engineering is to use appropriate methods to inject some curable grout into the cracks or pores of the rock and soil foundation and to improve its physical and mechanical properties through replacement, filling, extrusion and other methods to make ceramic bodies suitable for processing.Make it into a certain shape, size and specification. Seepage prevention Water plugging 3
This seems to test what I learned in junior high school. The formula for calculating the weight per linear meter of a cylinder I learned at that time is now used. However, it may be more troublesome to calculate according to that formula. It is necessary to calculate the weight per linear meter of the outer cylinder with the formula, and then subtract the weight per linear meter of the inner space. I have a headache when I think about it! With less gossip, I'd better provide you with a method to correctly calculate the weight of the grouting pipe per linear meter!
Home page recommendation.The grouting can be repeated many times.
It has good air tightness, low gas permeability, strong sealing and no leakage.
The installation will not affect the characteristics of the building grouting pipe; The installation or grouting process will not harm the concrete; Permanent sealing can be ensured after grouting; If there is no leakage, grouting is not allowed. Product advantages: Simple installation, complete set. No special installation equipment is required, and the cut-off length can be prepared on the construction site according to the actual requirements of the joint (it is recommended that the longest grouting outlet length should not exceed 6m). The grouting time can be arbitrarily selected.
Dartmouth.2 the polymer grouting materials of the machine are mainly applied to acrylamide, polyurethane, lignin, epoxy resin, unsaturated ester, etc. Generally, when the sand particle size is ≤ 0.5 mm or the rock crack opening is ≤ 0.2 mm, the use of organic polymer chemical grouting materials can solve the engineering problems that cannot be solved by ordinary cement slurry [5].
(outer diameter - wall thickness) what is actually obtained is the average value of the inner and outer diameters of the circumference. If this value is multiplied by the circumference ratio (π = 141592, the circumference will be obtained. If the circumference is multiplied by the wall thickness, the area of a section will be obtained. If the area of this section is multiplied by 1 meter (1000mm), the adjusted volume will be obtained. If the adjusted volume is multiplied by the density of 85, the reserved groove can be cleaned, and then the concrete can be poured and vibrated tightly. The concrete shall have at least the same strength as the structural concrete at this place. The grouting pipe device in Hainan shall be kept clean when pouring concrete.