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预应力杆采用不低于53.5MPa的硅酸盐水泥

网址:www.baodingdiangan.com  2024-01-06  作者:admin    阅读:

预应力杆采用不低于53.5MPa的硅酸盐水泥、普通硅酸盐水泥、矿渣硅酸盐水泥,抗硫酸盐水泥、或不低于43.5MPa的快硬硅酸盐水泥,其性能应符合GB175、GB199、GB748及GB1344规定。
The prestressed pole shall be made of Portland cement, ordinary Portland cement, slag Portland cement, sulfate resistant cement, or fast hardening Portland cement of not less than 53.5MPa, and its performance shall comply with the provisions of GB175, GB199, GB748, and GB1344.
采用43.5MPa以上的硅酸盐水泥、普通硅酸盐水泥、矿渣硅酸盐水泥,抗硫酸盐水泥、其性能应符合GB175、GB199、GB748
Using Portland cement with a pressure of 43.5MPa or higher, ordinary Portland cement, slag Portland cement, and sulfate resistant cement, their performance should comply with GB175, GB199, and GB748
2.集料
2. Aggregates
砂子采用中粗,石子采用碎石,其质量应分别符合GB/T 14684、GB/T 14685的规定,并符合GBJ204的规定。预应力并应符合GBJ204的规定。
The sand should be medium coarse, and the stone should be crushed stone. Its quality should comply with the provisions of GB/T 14684, GB/T 14685, and GBJ204. Pre stressing should comply with the provisions of GBJ204.
3.水
3. Water
拌制混制土须采用饮用水,水质应符合JGJ63的规定。
The mixing of mixed soil must use drinking water, and the water quality should comply with the provisions of JGJ63.
4.外加剂
4. Admixtures
掺入混凝土中的外加剂,其性能应符合GB8076的规定,严禁掺入氯盐类外加剂
The performance of admixtures added to concrete should comply with the provisions of GB8076, and the addition of chloride salt admixtures is strictly prohibited
5.钢筋
5. Reinforcement
预应力钢筋采用冷拉Ⅱ级、冷拉Ⅲ级、冷拉Ⅳ级、Ⅴ级(热处理)钢筋、甲级冷拔低碳钢丝、刻痕钢丝和钢铰丝、碳素结构钢,其性能应分别符合GB1499、GB5223、GB5224和GB4463的规定非预应力钢筋采用I级、II级钢筋,其性能应分别符合GB700,GB701的规定
The prestressed steel bars adopt cold drawn grade II, cold drawn grade III, cold drawn grade IV, grade V (heat treated) steel bars, grade A cold drawn low-carbon steel wires, scored steel wires and steel hinge wires, and carbon structural steel. Their performance should comply with the provisions of GB1499, GB5223, GB5224, and GB4463 respectively. Non prestressed steel bars adopt grade I and II steel bars, and their performance should comply with the provisions of GB700 and GB701 respectively
6.混凝土
6. Concrete
预应力电杆离心混凝土的设计强度不低于C50级 离心混凝土的设计强度不低于C40级,出厂时混凝土强度等级应不低于设计强度的80%。
The design strength of centrifugal concrete for prestressed electric poles shall not be lower than C50 grade. The design strength of centrifugal concrete shall not be lower than C40 grade, and the concrete strength grade at the time of leaving the factory shall not be lower than 80% of the design strength.

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