KIRISH................................................................................................................ 7
I BOB.ARMATURA BILAN BETONNING TARMASHISHI VA
EGILUVCHI TEMIRBETON ELEMENTLARING
DARZBARDOSHLIGINI XISOBLASH USULLARI .................................. 12
1.1 Betonning kuchlanish-deformasiya holati ................................................ 12
1.2 Armaturaning beton bilan tarmashishini baxolashning mavjud
yondashuvlari ..................................................................................................... 18
1.3 Temirbeton egiluvchi elementlarda darz hosil bo‘lish momentini
hisoblash ............................................................................................................. 25
1.4 Yevrome’yorlarga muvofiq temirbeton elementlarda darz hosil bo‘lishini
hisoblash ............................................................................................................. 29
1.5 I-bob bo‘yicha xulosalar ............................................................................. 38
II BOB.ARMATURANING BETON BILAN TARMASHISH
MUSTAXKAMLIGINI EKSPERIMENTAL TADQIQOTI ........................ 39
2.1 Materiallar xususiyatlari va tajriba namunalarini
tayyorlash……………………………………………………………………… 39
2.2 Sinovlarni o‘tkazish usuli ....................................................................,….. 41
2.2.1 Sinov jixozlari va o‘lchov vositalariga talablar ..................................... 42
2.2.2 Namunalarni sinovlarga tayyorlash va o‘tkazish usuli ........................ 43
2.3 Natijalarga ishlov berish ............................................................................ 44
2.4 II-bob bo‘yicha xulosalar ........................................................................... 45
III BOB. EKSPERIMENTAL NATIJALAR VA TEMIRBETON
EGILUVCHI ELEMENTLARNING DARZBARDOSHLIGINI HISOBI
………………………………………………………………………………...... 46
3.1 Eksperimental natijalarning tahlili ........................................................... 46
3.2 Temirbeton to‘sinlarni yevrome’yorlar bo‘yicha darzbardoshligini
xisoblash ............................................................................................................. 54
3.2.1 Me’yoriy xujjat bo’yicha xisoblash tarkibi va tartibi ........................... 54
3.2.2 Darzbardoshlikni xisoblashga misollar ................................................. 66
3.3 Temirbeton egiluvchi elementlarda darz ochilish kengligini aniqlash
tartibi va xisob natijalari ................................................................................. 70
3.4 III-bob bo‘yicha xulosalar ......................................................................... 77
UMUMIY XULOSALAR ............................................................................... 78
FOYDALANILGAN ADABIYOTLAR RUYXATI....................................... 79
ILOVALAR
