Product Made in Japan
Manufacturer: Sumitomo
Model: QS-110026-VE

 

A tension material for inner cables with a resin grout applied to the surface of the PC steel material and a polyethylene (PE) sheath, eliminating the need for on-site grouting.

Furthermore, since the curing speed is less affected by temperature, there is no need to use different types of resin depending on the temperature and material.

Shape

Designation	Sheath Diameter (mm or more)	Thickness of Convex Sheath (mm, standard value)	Concave Sheath (mm, standard value)	Tolerance (mm or more)	Rib Section (mm or less)	Unit Mass (kg/km)	Maximum Test Force (kN)
19 strands ≥ 17.8	25.0±2.0	20.5＋2.0−1.5	0.5	31.0	1.0	1,880	–
19 strands ≥ 19.3	26.0±2.0	21.5＋2.0−1.5	0.5	33.0	1.0	2,180	–
19 strands ≥ 21.8	29.0±2.0	24.5＋2.0−1.5	0.5	36.0	1.0	2,790	–
19 strands ≥ 28.6	36.0±2.0	31.5＋2.0−1.5	0.5	45.0	1.2	4,520	–
19 strands ≥	37.0±3.0	32.5±3.0	0.5	45.0	1.2	4,584	1139 (Type 29.0)

*Note: High-strength strands are used, and the technology complies with the JSCE-E145-2013 standards of the Japan Society of Civil Engineers.

Mechanical Properties for Type 29.0 (Maximum Test Force: 1139kN):

Designation	Diameter (mm)	Tolerance (mm)	Tensile Test Relaxation Value (% or less)	Nominal Cross-Section Area (mm²)	Unit Mass (kg/km)	Strength Level (N/mm² or more, reference)	Test Force for 0.2% Permanent Elongation (kN or more)	Maximum Test Force (kN or more)	Elongation (% or more)
Type 29.0 (Maximum Test Force: 1139kN)	29.0	+0.6, -0.25	3.5	2,080	547.5	4,293	2.5	1139	2080

Characteristics of Moisture Hardening Elastomer Resin for PC Steel

Test Item	Sample	Heating Condition	Duration	Frequency	Quality Requirement
Viscosity	A mixture of moisture-curing epoxy resin with 2% water	90°C	48 hours	Once per batch	150Pa·s or higher, 600Pa·s or lower
Durometer D Hardness	Randomly extracted from specified production batches	85°C, 95% RH	800 hours	Periodic (≥ 1/year)	Type D hardness of 50 or higher
Curing Shrinkage	–	85°C, 95% RH	800 hours	Periodic (≥ 1/year)	1.0% or less

 

Quality Requirements and Testing Methods

Test Item	Quality Requirement	Testing Method
Density	942kg/m³ or above	JIS K7112
Tensile Breaking Strength	20MPa or above	JIS K6922-2
Vicat Softening Point	115°C or above	JIS K7206
Tensile Breaking Strain	300% or above	JIS K6922-2
Durometer D Hardness	60 or above	JIS K7215
Cold Resistance	-60°C or below	JIS K7216

Characteristics of thermosetting Elastrol resin for PC steel

Test Item	Resin Type	Heating Condition	Frequency	Quality Requirement
Viscosity	Type D	Room Temperature	Once per resin manufacturing batch	300 or above
		80°C, 15 hours
		80°C, 30 hours
		90°C, 45 hours
		95°C, 45 hours
Durometer D Hardness		80℃,75 Hours	Room Temperature, 75 hours	Periodic (≥ 1/year)
		80°C, 150 hours
		90°C, 150 hours
		95°C, 150 hours
Curing Shrinkage
				Periodic (≥ 1/year)

Type	Diameter (mm)	Maximum Test Force (kN above)	Test Force for 0.2% Permanent Elongation (kN above)	Unbonded Basic Outer Diameter (mm)	Coating Standard Thickness (mm)	Reference Standard Unit Mass (kg/km)	Grease Standard Mass (kg/km)	Coating Material Standard Mass (kg/km)
7-wire strands (2 & 3)	12.7	183	156	16.2	1.25	864	35	55
	15.2	261	222	18.7	1.25	1,219	50	68
19-wire strands (4, 5, 6, & 7)	17.8	387	330	21.8	1.50	1,797	60	85
	19.3	451	387	23.3	1.50	2,091	70	90
	21.8	573	495	25.8	1.50	2,662	80	100
	28.6	949	807	33.3	1.50	4,517	149	139

Characteristics of Michelincy

Property	Test Method	Characteristic Value/Example
Density (kg/m³)	JIS K7112	944
Tensile Breaking Stress (MPa)	JIS K6922-2	23.7
Tensile Breaking Strain (%)	JIS K6922-2	620
Durometer Hardness (Shore D)	JIS K7215	64
Vicat Softening Point (℃)	JIS K7206	118
Cold Resistance Test (℃)	JIS K7216	-70 or below

Characteristics of grease

Property	Test Method	Characteristic Value/Example
Flexibility (25°C, 60 cycles)	JIS K2220	283
Drop Point (℃)	JIS K2220	203
Copper Plate Corrosion	JIS K2220	Pass

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