Figures of the Article
-
Flow chart of numerical calculation
-
Sketch of steel-lined reinforced concrete pipeline
-
Contours of third principal stress
-
Comparison of cracks in steel liner-reinforced concrete pipeline[19]
-
Meshs for rock cavern
-
Distribution of cracks under different reinforcement modes
-
Relationship between cracking characteristics of concrete liner with double-layer rebar and thickness of protective layer
-
Contours of liner crack width under different rock deformation moduli
-
Influences of rock deformation modulus on crack of concrete liner
-
Change process of pressure and temperature
-
Contour of third principal stress
-
Contours of radial displacement
-
Distribution of plastic zone
-
Stresses of rebar in concrete liner
-
Contours of liner crack width under action of charge and discharge operation cycles
-
Variation of crack width with time
Tables of the Article
-
计算参数 重度γ/ (kN·m-3) 变形模量E/GPa 泊松比ν 黏聚力c/MPa 内摩擦角φ/(°) 抗拉强度T/MPa 热传导系数/ (W·m-1·K-1) 比热/ (J·kg-1·K-1) 线膨胀系数/(K-1) 换热系数/(W·m-2·K-1) 围岩 26 18 0.200 1.50 50 2.00 3.00 771 1×10-5 — C30混凝土 25 30 0.167 3.08 55 2.01 1.74 800 1×10-5 6 -
弹性模量/ GPa 屈服强度/ MPa 剪切刚度/ GPa 200 400 10 -
影响因素 布置方式 钢筋直径/mm 钢筋间距/ mm 保护层厚度/mm 围岩变形模量/ GPa 基准方案 单层钢筋 22 250 50 18 对比方案 无钢筋、双层钢筋 16,28,32 125,165 60,70,80,90,100 9,12,15,30 -
钢筋直径/ mm 钢筋间距/ mm 配筋率/% 平均裂缝宽度/mm 最大裂缝宽度/mm 宏观裂缝条数 单筋 双筋 单筋 双筋 单筋 双筋 单筋 双筋 16 125 0.34 0.67 0.639 0.518 1.490 1.287 38 32 165 0.27 0.54 0.637 0.534 1.623 1.189 39 33 250 0.20 0.40 0.713 0.584 2.037 1.613 35 33 22 125 0.63 1.27 0.625 0.507 1.346 1.074 39 29 165 0.51 1.01 0.624 0.512 1.425 1.171 41 31 250 0.38 0.76 0.634 0.528 1.709 1.151 38 30 28 125 1.03 2.05 0.569 0.457 1.046 1.029 41 28 165 0.82 1.64 0.573 0.490 1.131 1.066 42 30 250 0.62 1.23 0.590 0.508 1.168 1.112 44 30 32 125 1.34 2.68 0.584 0.399 1.090 0.711 35 30 165 1.07 2.14 0.600 0.418 1.096 0.844 38 31 250 0.80 1.61 0.608 0.429 1.207 0.909 43 31
Related articles
-
2023, 45(S1): 128-131. DOI: 10.11779/CJGE2023S10003
-
2023, 45(12): 2641-2648. DOI: 10.11779/CJGE20221115
-
2020, 42(2): 260-268. DOI: 10.11779/CJGE202002007
-
2019, 41(10): 1836-1844. DOI: 10.11779/CJGE201910007
-
2016, 38(1): 83-90. DOI: 10.11779/CJGE201601008
-
2014, 36(10): 1802-1807. DOI: 10.11779/CJGE201410006
-
2013, 35(2): 266-275.
-
2010, 32(3)