تصميم Waffle Slab
Design of reinforced concrete structures ii two way slabs 1 1.
تصميم waffle slab. Columns section 400 mm 600 mm 15. 8 5 شرح design of beam 3 moment equations للمهندس ياسر الليثي duration. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Waffle slab construction procedure duration.
Slab design reading assignment chapter 9 of text and chapter 13 of aci318 02 introduction aci318 code provides two design procedures for slab systems. Inroduction when the ratio l s is less than 2 0 slab is called two way slab as shown in the fig. Example problem of one way slab design. 13 6 1 direct design method ddm for slab systems with or without beams loaded only by gravity loads and having a fairly regular layout meeting the following conditions.
Design of waffle slab without beams by direct design method 32 32 32 c 1 c 2 c 3 c 4 132 c 5 c 6 c 7 c 8 32 s s s 22 3 7 c 9 c 10 c 11 c 12 32 8 11 b 1210 bb c 13 c 14 c 15 c 16 16 5 building plan assume s 32 x 2 building spans s s s by s s s building height 4 10 40 loads. Shear stress at column face 0 5 νfcd punching shear reinforcement cl. تصميم waffle slab. α angle between the shear reinforcement and the plane of slab fywd ef effective design strength of the punching shear reinforcement 250 0 25 d fywd mpa d mean effective depth of the slabs mm v v v u d ed ed rd max 0 β max.
23 slabs hollow blocks hordi slabs waffle slabs 2016 page 002 duration. Bending will take place in the two directions in a dish like form. Design the slab following the provisions of the aci code. ياسر الليثى yasser el leathy 19 260 views.
Two way ribbed slab waffle slab thickness of slab t 100 mm overall thickness of ribs h 700 mm width of ribs b 200 mm spacing between ribs s 750 mm c c drops drop panles are 1 5 1 5 with thickness of 700 mm columns. الوافل سلاب مشابهة للهوردى لكنها بتكون tow way. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. المادة المستخدمة لملء الفراغات يتم إزالتها لاحقا يعني مش دائمة زي البلوكات المستخدمة فى البلاطة الهوردى.
6 4 5 equ6 52 8 5.