水泥杆原材料
Raw materials for cement poles
1.水泥
1. Cement
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。
Prestressed bars are made of Portland cement, ordinary Portland cement, slag Portland cement, sulfate-resistant cement or fast-hardening Portland cement of not less than 53.5 MPa. Their properties should meet the requirements 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, ordinary portland cement and slag Portland cement with 43.5 MPa or more, sulphate resistant cement and its properties should conform to GB175, GB199 and GB748.
2.集料
2. Aggregate
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。
Sand is medium-coarse and gravel is gravel. Its quality should meet the requirements of GB/T 14684 and GB/T 14685 respectively and GBJ204. Prestressing shall also comply with the requirements 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。
Drinking water should be used in mixing and mixing soil, and the water quality should meet the requirements of JGJ63.
4.外加剂
4. Additives
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 properties of admixtures added into concrete should conform to the requirements of GB8076. It is strictly forbidden to admixture chloride admixtures.
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
Prestressed steel bars are cold-drawn grade II, cold-drawn grade II I, cold-drawn grade IV, grade V (heat treatment) steel bars, grade A cold-drawn low carbon steel wires, notched steel wires, steel hinges and carbon structural steels. Their properties should meet the requirements of GB1499, GB5223, GB5224 and GB4463 respectively. Non-prestressed steel bars should adopt grade I and grade II steel bars, and their properties should meet the requirements of GB1499, GB5224 and GB4463 respectively. Regulations of GB700, GB701
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 pre-stressed pole centrifugal concrete should not be lower than C50 centrifugal concrete and C40 centrifugal concrete. The strength grade of concrete should not be lower than 80% of the design strength when it leaves the factory.