The stirrup spacing shall not be greater than 150（ 4） Key points of lintel quality control: when the lintel extends into the masonry walls on both sides, it shall not be less than 240 when the seismic requirements are 6-8 degrees and 360 when the seismic requirements are 9 degrees（ 5） Key points of structural column quality control: (1) the tenon retreats first and then advances, the advance and retreat size is 60, the height of the tenon is 300, the advance and retreat line is neat, the top and bottom are vertical in a straight line, and 2 are set every 600 along the wall height φ 6
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Construction preparation 1
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Stirrup diameter can be φ 6
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Sorting out | source: diced bean construction I
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preparation basis II
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The length of ash laying during masonry shall not exceed 750, and shall not exceed 500 when the temperature reaches more than 30 ℃（ 2) Trial arrangement of blocks shall be made in advance during masonry, and the overall block shall be used preferentially
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It shall be stacked according to different levels, the pushing shall be stable, the retreating height shall not exceed 2m, and rain and snow prevention measures shall be set under the cushion and covered on the cover
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Equipment preparation 3
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The embedded length of reinforcement shall not be less than 700（ 2) The depth of embedded reinforcement shall meet the following requirements: anchorage of tensile reinforcement: max{0.3ls; 10d； 100mm}。 ls=0.2 α Sptdfy / FBD, where α SPT is the influence coefficient of concrete splitting, generally taken as 1.00, D is the reinforcement planting, FY is the tensile design value of reinforcement strength for planting, FBD is the design value of bonding shear strength, generally taken as 2.3-5.5（ 3) The distance between the first embedded bar and the ground shall be determined according to the layout drawing, and the other spacing shall be accurately positioned according to 600
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2) The delivered blocks shall be stacked, packed, stacked and transported by pallet according to specifications; The precise blocks shall be loaded and unloaded with care during transportation, loading and unloading
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The horizontal projection length of the inclined tenon shall not be less than 2 / 3 of the height（ 3） Key points for quality control of ring beam: when the wall thickness h ≥ 240, its width should not be less than 2H / 3
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Technical preparation (1) organize engineering department, commerce department, quality inspection department and technicians to review the construction drawings before construction, and be familiar with the drawing design requirements and standards; The detailed design of brick layout drawing shall be completed, and the special construction scheme of masonry engineering shall be prepared according to the design requirements and quality standards（ 2) Technical disclosure shall be made to the operation team before construction to ensure that the masonry works are carried out according to the scheme requirements（ 3) Implement the template first system, prepare the template guide scheme in advance, select the structural floor as the implementation layer of the masonry entity template, and the masonry template as the inspection standard for the quality of subsequent masonry construction and masonry works
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The height of ring beam shall not be less than 120
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Stirrup spacing should not be greater than 200; The spacing of stirrup densification area is 100, the upper end is 700 and the lower end is 500（ 3) When aluminum alloy formwork is used for construction, the structural column can be further designed and constructed at the same time as the structure, and partition treatment shall be adopted at the top or bottom（ 6） Key points for quality control of pipeline grooving: (1) the excavation depth shall not exceed 1 / 3 of the wall thickness, and grooving on the front and back sides of the wall at the same position and within 500mm of the slot distance shall be avoided（ 2) All slotting and junction box installation parts shall be reinforced by pressing alkali resistant grid cloth during plastering layer construction, and the grid cloth shall exceed 100mm around the slotting; Pipeline embedding shall be completed before plastering
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The length of the sawed block shall not be less than 1 / 3 of the total length of the block（ 3) The erection length is generally 1 / 2 of the block length, not less than 1 / 3, nor less than 150（ 4) When the masonry is temporarily interrupted, the inclined tenon can be reserved, and the “horse tooth tenon” shall not be reserved
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The pull-out test requirements are as follows: the inspection value of axial tensile non-destructive bearing capacity of anchor reinforcement pull-out test shall be 6.0kn
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Longitudinal reinforcement shall not be less than 4 φ 10
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The embedded length of reinforcement shall not be less than 700; Two 200 thick walls are set φ 6
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When the seismic fortification intensity is 8, the longitudinal reinforcement shall not be less than 4 φ 12
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Considering the modulus of brick masonry in site construction, the spacing shall be enlarged to 600) (4) special electric blower shall be used for hole cleaning（ 5) Masonry can be carried out only after the pull-out test of wall tie bars is qualified
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3、 Process flow IV
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2
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3) The stacking site shall be solid, flat and dry, with facilities that are not affected by rain and snow
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When it is necessary to disconnect the block, the hand saw, cutting machine and other tools shall be used to cut it neatly, and the edges and corners of the block shall be protected
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When the block is transported vertically by container pallet, the hanging cage and pallet shall meet the strength requirements, and shall be equipped with nylon mesh and other safety covers
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Special hand bulldozer shall be used for transportation in the site, and the blocks shall be stacked neatly to prevent collision and damage
key points of quality control (I) key points of quality control of planting reinforcement: (1) setting of tie bar: one 100 thick wall φ 6
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Considering the actual construction situation on site, the height should be changed to 600) (2) the longitudinal reinforcement of structural column should be 4 φ 12
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The horizontal reinforcement shall extend into the infilled wall for not less than 1m（ The seismic code requires setting every 500
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Material preparation (1) main dimensions (2) allowable deviation (3) material mobilization 1) factory certificate and product factory inspection report shall be issued for supporting materials mobilization
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Under the action of the inspection value, there is no crack in the base material, no slip and macro crack of the reinforcement; The load reduction shall not be greater than 5% during 2 min of load holding（ 2） Key points of masonry quality control: (1) the mortar plumpness of horizontal mortar joint shall not be less than 90%, and that of vertical mortar joint shall not be less than 80%
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The stirrup spacing shall not be greater than 200
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When the seismic fortification intensity is 9, the longitudinal reinforcement shall not be less than 4 φ 14
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The lap length of binding joint shall be considered as tensile reinforcement, and the stirrup spacing shall not be greater than 300
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The drilling depth must meet the embedded bar depth（ The specification requires that the spacing of embedded bars shall not be greater than 500
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key points of construction v
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The spacing shall not be greater than 250, and the upper and lower ends of the column shall be properly densified; When 6 and 7 degrees exceed 6 floors and 8 degrees exceed 5 floors and 9 degrees, 4 should be used for structural column reinforcement φ 14
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