Chapter6 Other actions:其他作用 6.1 thermal actions温度作用 6.2 deformation actions变形作用 6.3 Frost Heave Force冻胀力 6.4 blasting actions爆炸作用 6.5 Vehicle dynamic effect行车动态作用 6.6pre-applied force预加力 G 归东理王大军 SHANDONG UNIVERSITY OF TECHNOLOGY
Chapter 6 Other actions其他作用 6.1 thermal actions 温度作用 6.2 deformation actions 变形作用 6.3 Frost Heave Force 冻胀力 6.4 blasting actions 爆炸作用 6.5 Vehicle dynamic effect 行车动态作用 6.6 pre-applied force 预加力
6.1 thermal actions温度作用 ·Basic concepts and action mechanism基本概念及作用原理 Thermal change on sol id induces thermal deformation Restrain on thermal deformation thermal stress induced Generally,thermal change is also a load 的东理王大军 SHANDONG UNIVERSITY OF TECHNOLOGY
6.1 thermal actions 温度作用 • Basic concepts and action mechanism 基本概念及作用原理 ▫ Generally, thermal change is also a load Thermal change on solid induces thermal deformation Restrain on thermal deformation thermal stress induced
6.1 thermal actions温度作用 。基本概念及作用原理basic concepts and action mechanism ·temperature change温度变化 ·Seasonal change季节变化 ·Thermal difference inside and outside of room室内外温差变化 ·Hydration heat for concrete混凝土水化热 外部 ·Fire hazard火灾 ·Welding on steel members焊接 外露 内福 内部 外部 LOGY
6.1 thermal actions温度作用 • 基本概念及作用原理 basic concepts and action mechanism ▫ temperature change 温度变化 Seasonal change 季节变化 Thermal difference inside and outside of room室内外温差变化 Hydration heat for concrete 混凝土水化热 Fire hazard 火灾 Welding on steel members 焊接
6.1 thermal actions温度作用 。基本概念及作用原理basic concepts and action mechanism ▣residual stress and deformation due to welding焊接应力与焊接变形 ·residual deformation due to welding焊接残余变形 ·由焊缝及其周围不均匀热胀冷缩引起 ·residual stress due to welding焊接残余应力 ·由焊缝冷却收缩阻碍引起 <变形 压住 内应力 焊墙周围温度场 归东理工大军 SHANDONG UNIVERSITY OF TECHNOLOGY
6.1 thermal actions温度作用 • 基本概念及作用原理 basic concepts and action mechanism ▫ residual stress and deformation due to welding 焊接应力与焊接变形 residual deformation due to welding焊接残余变形 由焊缝及其周围不均匀热胀冷缩引起 residual stress due to welding焊接残余应力 由焊缝冷却收缩阻碍引起
6.1 thermal actions温度作用 。1 基本概念及作用原理basic concepts and action mechanism reinforced concrete beam and plate混凝土梁板 板内呈拉应力 混凝土板开裂 温度降低 板变形大于梁 梁内呈压应力 归东理王大军 SHANDONG UNIVERSITY OF TECHNOLOGY
6.1 thermal actions温度作用 • 基本概念及作用原理 basic concepts and action mechanism ▫ reinforced concrete beam and plate混凝土梁板 温度降低 混凝土板开裂 板变形大于梁 板内呈拉应力 梁内呈压应力