隧道設(shè)計(jì)計(jì)算表格,,,,,,,,,

序號(hào),計(jì)算項(xiàng)目,符號(hào)表示,參數(shù)來(lái)源,計(jì)算公式,國(guó)際單位,計(jì)算結(jié)果,參數(shù)說(shuō)明,規(guī)范依據(jù),其他說(shuō)明

一、,圍巖分級(jí)計(jì)算,,,,,,,,

1,巖石單軸抗壓強(qiáng)度,Rc,實(shí)測(cè)值,,MPa,,巖石試件單軸飽和抗壓強(qiáng)度,TB10003-2016,

2,巖體彈性波速,v_pm,實(shí)測(cè)值,,km/s,,巖體聲波測(cè)試波速,TB10003-2016,

3,巖塊彈性波速,v_pr,實(shí)測(cè)值,,km/s,,巖塊聲波測(cè)試波速,TB10003-2016,

4,巖體完整性系數(shù),Kv,計(jì)算值,Kv=(v_pm/v_pr)2,,,巖體完整性指標(biāo),TB10003-2016,

5,圍巖基本質(zhì)量指標(biāo),BQ,計(jì)算值,BQ=90+3Rc+250Kv,,,圍巖分級(jí)基本指標(biāo),TB10003-2016,

6,地下水影響系數(shù),K1,查表值,,,,根據(jù)地下水位確定,TB10003-2016,

7,初始應(yīng)力系數(shù),K2,查表值,,,,根據(jù)地應(yīng)力確定,TB10003-2016,

8,修正后BQ值,BQ',計(jì)算值,BQ'=BQ-100K1-100K2,,,考慮修正因素后的BQ值,TB10003-2016,

9,圍巖級(jí)別判定,,判斷值,,,,根據(jù)BQ'值確定圍巖級(jí)別,TB10003-2016,

二、,荷載計(jì)算,,,,,,,,

10,隧道埋深,h,設(shè)計(jì)值,,m,,隧道拱頂至地面距離,JTGD70-2004,

11,圍巖重度,γ,查表值,,kN/m3,,圍巖單位體積重量,JTGD70-2004,

12,豎向圍巖壓力,q,計(jì)算值,q=γh,kPa,,隧道拱頂豎向壓力,JTGD70-2004,

13,側(cè)壓力系數(shù),λ,查表值,,,,水平與豎向壓力比值,JTGD70-2004,

14,水平圍巖壓力,e,計(jì)算值,e=λq,kPa,,隧道側(cè)墻水平壓力,JTGD70-2004,

15,地下水位高度,h_w,實(shí)測(cè)值,,m,,地下水位至隧道距離,JTGD70-2004,

16,水重度,γ_w,標(biāo)準(zhǔn)值,,kN/m3,10,水的單位體積重量,JTGD70-2004,

17,水壓力,p_w,計(jì)算值,p_w=γ_wh_w,kPa,,隧道承受的水壓力,JTGD70-2004,

18,車(chē)輛荷載,q_k,標(biāo)準(zhǔn)值,,kPa,,公路-I級(jí)或鐵路荷載,JTGD60-2015,

三、,襯砌結(jié)構(gòu)計(jì)算,,,,,,,,

19,隧道跨度,B,設(shè)計(jì)值,,m,,隧道凈空寬度,JTGD70-2004,

20,襯砌厚度,h_l,設(shè)計(jì)值,,m,,二次襯砌厚度,JTGD70-2004,

21,混凝土強(qiáng)度等級(jí),C,選用值,,,,襯砌混凝土強(qiáng)度,GB50010-2010,

22,混凝土抗壓強(qiáng)度,f_c,查表值,,MPa,,混凝土軸心抗壓強(qiáng)度,GB50010-2010,

23,鋼筋強(qiáng)度等級(jí),HRB,選用值,,,,襯砌鋼筋強(qiáng)度,GB50010-2010,

24,鋼筋抗拉強(qiáng)度,f_y,查表值,,MPa,,鋼筋抗拉強(qiáng)度設(shè)計(jì)值,GB50010-2010,

25,最大彎矩,M_max,計(jì)算值,M_max=qB2/8,kN·m,,襯砌最大彎矩,結(jié)構(gòu)力學(xué),

26,最大剪力,V_max,計(jì)算值,V_max=qB/2,kN,,襯砌最大剪力,結(jié)構(gòu)力學(xué),

27,最大軸力,N_max,計(jì)算值,N_max=eB,kN,,襯砌最大軸力,結(jié)構(gòu)力學(xué),

四、,強(qiáng)度驗(yàn)算,,,,,,,,

28,截面抵抗矩,W,計(jì)算值,W=h_l2/6,m3,,襯砌截面抵抗矩,結(jié)構(gòu)力學(xué),

29,彎曲應(yīng)力,σ,計(jì)算值,σ=M_max/W,MPa,,襯砌彎曲應(yīng)力,GB50010-2010,

30,剪應(yīng)力,τ,計(jì)算值,τ=3V_max/(2h_l),MPa,,襯砌剪應(yīng)力,GB50010-2010,

31,壓應(yīng)力,σ_c,計(jì)算值,σ_c=N_max/A,MPa,,襯砌壓應(yīng)力,GB50010-2010,

32,承載力驗(yàn)算,,判斷值,,,滿足/不滿足,按規(guī)范要求驗(yàn)算,GB50010-2010,

33,裂縫寬度驗(yàn)算,,判斷值,,,滿足/不滿足,按規(guī)范要求驗(yàn)算,GB50010-2010,

五、,支護(hù)參數(shù)設(shè)計(jì),,,,,,,,

34,噴射混凝土厚度,h_jp,設(shè)計(jì)值,,cm,,初期支護(hù)噴射厚度,TB10003-2016,

35,錨桿長(zhǎng)度,L_mg,設(shè)計(jì)值,,m,,系統(tǒng)錨桿長(zhǎng)度,TB10003-2016,

36,錨桿間距,s_mg,設(shè)計(jì)值,,m,,系統(tǒng)錨桿間距,TB10003-2016,

37,鋼筋網(wǎng)規(guī)格,,選用值,,,,φ6@200×200,TB10003-2016,

38,鋼架間距,s_gj,設(shè)計(jì)值,,m,,型鋼鋼架間距,TB10003-2016,

六、,防排水設(shè)計(jì),,,,,,,,

39,防水板厚度,,選用值,,mm,1.5,EVA防水板厚度,JTGD70-2004,

40,止水帶規(guī)格,,選用值,,,中埋式,橡膠止水帶類型,JT