composite material.doc

composite material, the lap length should not be less than 100 mm. 5, the scene drawing test shall be carried out according to the design requirements, and in accordance with the current reinforced concrete structure design code (GB50367) regulations. 6, carries on the concrete surface treatment and paste fiber compound material, should take the strengthening design pay-off positioning. 【 9 】 with prestressed reinforcement engineering 1, plus the structure of the prestressed reinforcement, the long-term use of environmental temperature should not be higher than 60 ℃. 2, prestressed bar, poles, batten plate, steel wire, welding materials and all kinds of fastening, the anchoring parts shall comply with the design requirements and the current national standard carbon structural steel (GB/T700), the low alloy high strength structural steel (GB/T1591) and specification for design of steel structures (GB50017), carbon steel electrode (GB5117), the low alloy electrode (GB5118) and so on. 3, prestressed tensioning, force of fine stone concrete or high strength cement mortar strength should comply with the design requirements; When required by the design without the specific and should not be less than 75% of the design strength standard values. 4, prestressed bars, and various kinds of fasteners, anchor poles, before using should be appearance inspection, surface should be free of dirt, corrosion, mechanical damage and crack. 5, prestressed bar, poles, batten plate and various fastening, anchor pieces such as fire prevention performance should be consistent with existing national standards for design of building fire protection regulations (GB50016) regulations. The fifth section steel structure engineering 【 1 】 general provisions 1, repair reinforcement construction quality acceptance of steel structure, besides should satisfy the provisions of this regulation, still should be consistent with existing national standards for construction quality acceptance of s