2010造价师技术与计量(超精华)4（2010 cost division technology and measurement (superessence) 4）.docVIP

2010造价师技术与计量(超精华)4（2010 cost division technology and measurement (superessence) 4） Solid railing; 54, Yupeng cantilevered length is generally 0.9-1.5 m, according to the structure of different, rain Peng plate and beam plate two; plate rain Peng root thickness of not less than 70mm, plate end thickness of not less than 50mm; 55, the vertical traffic links of the building space, mainly rely on stairs, elevators, escalators, steps, ramps and ladder and other facilities; which staircase as vertical traffic and emergency evacuation of the main transport facilities, The most widely used; 56, the stairs generally by the ladder, platform, railings and handrails composed of three parts; staircase stepping steps generally should not exceed 18, and generally should not be less than 3; 57, stairs can be divided into outdoor staircase and indoor stairs; according to the nature of use, stairs can be divided into the main staircase, auxiliary staircase, evacuation staircase, fire staircase and so on; according to the materials used can be divided into wooden staircase, Steel staircase, reinforced concrete staircase; according to the form can be divided into long-running, double-run, double-split, double-type, three-run, four-run, curved feet; spiral, arc, bridge, And so on; 58, reinforced concrete staircase according to the construction method is different, there are two kinds of cast-in-place and prefabricated assembly; 59, prefabricated assembly of gold reinforced concrete staircase can be divided into: small component assembly, medium-sized component assembly, large component assembly 60, small component assembly can be divided into: hanging staircase, wall-mounted stairs, beam-type staircase 1