Simulating The Tensile Strength Test Of Pre-twisted Wire For Repairing Broken Strands Of Opgw

In order to investigate the effect of armor rod preformed repair strips in repairing OPGW broken strands, we used preformed armour rod repair strips to simulate OPGW
broken strand repair armor rods test, hoping to provide typical experience data and provide reference data for future OPGW broken strand armor rods for acsr maintenance work.
1. Simulation of OPGW broken strand repair tensile strength test conditions
(1) The OPGW optical cable used in the test is shown in Table 1.
Table 1 the OPGW test sample
Code
Optical cable model
Optical cable outer diameter
Outer monofilament
RTS
OPGW1
OPGW-2S1/32B1
Φ17.1mm
13×Φ3.2mm AA wires
97.8kN
OPGW2
OPGW-2S1/24B1
Φ15.0mm
12×Φ3.0mm AA wires
80.2kN
armor rods transmission line repair rods for test
Table 2 the test preformed repair rods
Code
Repair rod model
Applicable outer diameter
Number of monofilaments/diameter/material
Repair rod length
P1
3600107R
16.8mm∽18.2mm
12×Φ4.6mm AS wires
1.85m
P2
3600105R
14.0mm∽15.2mm
10×Φ4.6mm AS wires
1.6m
(3) Test tension clamps
Table 3 the test tension clamps
Code
Applicable OPGW optical cable outer diameter
Design breaking force
J1
16.8∽17.3mm
100kN
J2
15.0∽15.5mm
90kN
(4) Test location: Zhongtian Technology Co., Ltd. Testing Center
(5) Test equipment: Outdoor 50T tensile testing machine
(6) Tensile force test method: Refer to DL/T 832-2003 standard.