are positioned in a loose tube made of a high modulus plastic.The lubes are filled with a water-resistant filling compound.Over the tube
water-blocking material is applied to keep the cable watertight.Two parallel Fiber Rein- forced Plastics(FRP)are placed at the two sides.The cable is completed with a polyethylene(PE)sheath.
are positioned in a loose tube made of a high modulus plastic.The lubes are filled with a water-resistant filling compound.Over the tube
water-blocking material is applied to keep the cable watertight.Two parallel Fiber Rein- forced Plastics(FRP)are placed at the two sides.The cable is completed with a polyethylene(PE)sheath.