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Safety operating procedures for vibration and impact rams

 
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MessagePosté le: 19/11/2016 02:38:30    Sujet du message: Safety operating procedures for vibration and impact rams Répondre en citant


First, the docking telescopic device:


  <PPadding butt-type --- to asphalt, wood, Ma Xu, rubber and other materials fill the gap for the expansion and contraction of the bridge in the following 40mm;


  <PInlaying type --- use different shapes of steel components of different shapes of rubber strip (band) embedded fixed,Anti rain series asphalt layer machine and rubber bands (with) the tensile deformation to absorb the deformation of the beam, used in stretching the amount of 80mm And below the bridge.


<PSecond, the steel supporting expansion joints:


  
Made of steel assembly, can directly bear the wheel load;


  <PCan meet the requirements of large displacement,affordable asphalt repair equipment distributors but it is difficult to seal impermeable, but also likely to cause the impact of vehicles, affecting vehicle driving.



Third, the combination of shear type rubber expansion joints:


  <PThe use of rubber material shear modulus of the principle of low design and manufacture;


  <PStretching a large amount of traffic smooth, but the general friction resistance is relatively large.


<PFourth, the modulus of supporting expansion joints:


  
The use of shock absorption buffer performance is good and easy to do the sealing of rubber materials,lasting value heat design equipment resellers and high strength and high stiffness of the combination of special-shaped steel, in the case of large displacement can withstand the vehicle load.



Fifth, seamless retractable device:


  
When the joint structure does not extend out of the deck, fill the elastic material in the telescopic gap at the end of the bridge and put waterproof material on it, then pave the viscoelastic composite material on the deck pavement to connect asphalt concrete Of the deformation to withstand expansion;
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