砖墙的组砌要求(国外英文资料).docVIP

砖墙的组砌要求(国外英文资料) 1. material requirements (1) brick: variety, strength level must comply with the design requirements, and have the factory certificate or test list. The brick of the clean water wall should be uniform in color and tidy in edges and corners. (2) cement: the variety and grade should be chosen according to the place of masonry and the environment. Generally, 325 Portland cement or slag Portland cement should be adopted. (3) sand: medium sand, preparation of mortar below M5, the sand content of sand shall not exceed 10%. Sand content of mortar over M5 and above shall not exceed 5%. Sieve shall be screened with 5mm aperture before use. (4) admixture: lime paste curing time of not less than 7d, prohibited the use of dehydration hardening and freezing lime paste. (5) other materials: wood brick wall brush preservative; Rachel reinforced and embedded parts etc.. 2. main machines and tools Must have a mixer, trolleys, scales, vertical transportation equipment, big shovel, adze, tile, flat, supporting board, wire, small white, tape, iron ruler, leather pole and a small bucket, ash groove, brick clip, broom etc.. 3. operating conditions (1) complete the outdoor and inner core backfill, and install the heating panel. (2) completing the hidden inspection procedures of the foundation and infrastructure works. (3) apply cement mortar damp proof layer according to the elevation. (4) the bomb line, good wall axis, according to the actual size of the brick, then pop-up windows and doors position line, line experience according to design drawing size requirements, through pre screening procedures. (5) according to the elevation, the number of leather poles and the number of leather poles should be between 15 and 20m. (6) the mortar shall be well tested and ready to be tested. 4. operation process Technological process： Job preparation: Brick watering, mortar mixing, masonry brick wall - Acceptance (1): watering brick clay brick must be watered the day before laying we