1、土木工程英語證書（土木工程英語證書（PEC）考試）考試材料力學詞匯材料力學詞匯A安全因數(shù)safetyfactB半橋接法halfbridge閉口薄壁桿thinwalledtubes比例極限proptionallimit邊界條件boundaryconditions變截面梁beamofvariablecrosssection變形defmation變形協(xié)調(diào)方程compatibilityequation標距gagelength泊松比Poisson

2、’sratio補償塊compensatingblockC材料力學mechanicsofmaterials沖擊荷載impactload初應力，預應力initialstress純剪切pureshear純彎曲purebending脆性材料brittlematerialsD大柔度桿longcolumns單位荷載unitload單位力偶unitcouple單位荷載法unitloadmethod單向應力，單向受力uniaxialstress等強度梁

3、beamofconstantstrength低周疲勞lowcyclefatigue電橋平衡bridgebalancing電阻應變計resistancestraingage電阻應變儀resistancestrainindicat疊加法superpositionmethod疊加原理superpositionprinciple動荷載基本系統(tǒng)primarysystem畸變能理論disttionenergythey畸變能密度disttionals

4、trainenergydensity極慣性矩，截面二次極矩polarmomentofinertia極限應力ultimatestress極限荷載limitload擠壓應力bearingstress剪力shearfce剪力方程equationofshearfce剪力圖shearfcediagram剪流shearflow剪切胡克定律Hook’slawfshear剪切shear交變應力，循環(huán)應力cyclicstress截面法methodofse

5、ctions截面幾何性質(zhì)geometricalpropertiesofanarea截面核心ceofsection靜不定次，超靜定次數(shù)degreeofastaticallyindeterminateproblem靜不定問題，超靜定問題staticallyindeterminateproblem靜定問題staticallydeterminateproblem靜荷載staticload靜矩，一次矩staticmoment頸縮neckingK開