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SoletracySuppoRigid inner core: it will not be flattened under concrete pressure to ensure smooth grouting channel.
After the test of each group of test tubes is completed, the test points shall be sampled for 10% at random, and the relative standard deviation of sound time shall not be greater than 5%; The relative standard deviation of amplitude shall not be greater than 10%.
Jolett. It has good flexibility. The pipes can be coiled when they are produced, so that the number of joints in the pipe network can be reduced. It can be laid according to the terrain,JolettAdvance grouting small conduit, easily bypass obstacles, and is convenient for construction.
When the concrete strength can ensure that its surface and edges are not damaged due to formwork removal, the side formwork can be removed.
.Ca （OH）2 +Na2O·nSiO2 +mH2O →CaO·nSiO2·mH2O+2NaOH,
The inner core of the grouting pipe is rigid, which can ensure that it will not be crushed under the concrete pressure. The non-woven filter cloth layer outside the framework only allows water and grouting fluid to pass through, and other materials such as cement slurry in concrete are blocked outside the grouting pipe to fully ensure the smooth use of the whole section of the grouting pipe. The flexibility of the product is very high, and it is easy to place at the corners without cutting and connecting. When grouting in the grouting pipe under pressure, installation - grouting pipe processing - spring reinforcement framework grouting can be omitted. The key construction process flow of grouting pipe installation is as follows: table formwork processing,JolettTunnel combined hollow anchor manufacturer, mesh binding - grouting pipe and installation of embedded reserved side formwork installation - process acceptance - concrete pouring - concrete curing - 10000 m3 data thickness to ensure the integrity of the table formwork, the steel plate joint weld shall be uniform.
100 * 100 * 6mm grouting pipe made of q195b. 196kg per meter, 1076kg per piece. Results the average weight of 10 100 * 100 * 6mm grouting pipes was 1026kg, with a difference of 15kg per ton. It can be imagined how big the gap is when the one foot rate of retreat is large.
Inner diameter: 8mm; Outer diameter: 24mm; Inner diameter tolerance: ± 0.3mm; Length of each roll: 50m.
Sometimes the grouting pipe is overlaid on the two sides of the horseshoe surface. Adjust the cooperation specifications of the grouting pipe at the distribution nozzle. How to avoid grout leakage during installation of grouting pipe?
● features: the grouting pipe is divided into disposable grouting pipe (ccll-y grouting pipe, qdm-it grouting pipe, ccll-y full section grouting pipe) and repetitive grouting pipe (ccll-d grouting pipe, ccll-d full section grouting pipe)
Supply chain quality management. During concrete construction, special personnel shall be assigned to take care of the reserved and embedded reinforcement, formwork and water and electricity to prevent deformation and displacement. In addition, the calendering of the component surface and the roughening of the laminated plate surface shall be carried out in time.
When lifting and demoulding components, the concrete strength must meet the design requirements.
(the density of steel pipe is 85kg/dm calculation formula: w = 0.02466 (D-S) s where: W - theoretical weight of steel pipe per meter, kg / M; D - Nominal outer diameter of steel pipe, mm; S - nominal wall thickness of steel pipe, those skilled in the art can make various improvements and modifications on the basis of the above embodiments, and these improvements or modifications fall within the protection scope of the utility model. Those skilled in the art should understand that the above specific description is only for the purpose of explaining the utility model, and is not intended to limit the utility model. The scope of protection of the utility model is defined by the claims and their equivalents.
The main elastic element of the grouting pipe is the stainless steel grouting pipe, which compensates the axial, lateral and angular direction of the pipe by the expansion and bending of the grouting pipe.
[0007] further,Jolett50lead small conduit, the outer diameter of the cutting rotary device is 2mm smaller than the inner diameter of the grouting pipe.
Jolett. Display and record the time history curve of the received signal in real time.
Pre detection can be carried out. If there is no leakage, grouting can not be carried out.
The grouting pipe has good flexibility. When the pipe is produced, it can be coiled, so that the number of joints in the pipe network can be reduced. It can be laid according to the terrain easily bypass obstacles, and is convenient for construction.