Thus it is necessary to study moment resistance, rotation stiffness and rotation capacity of the joints. in this paper, six specimens on end - plate composite beam - to - column joints and two specimens on end - plate composite beam - to - column joints were designed to subject to static load. the factors of m - characteristics about semi - rigid composite joints, including bolts, profiled steel sheeting, beam, column, stiffen rib and reinforcement, are studied
本文設計了6個端板型
鋼-混凝土組合樑
柱節點與2個端板型純
鋼樑
柱節點,通過對這些試件的靜力荷載試驗,重點研究了端板型
鋼-混凝土組合節點的彎矩-轉角性能的影響因素,包括高強螺栓、壓型
鋼板、型
鋼梁、型
鋼柱、加勁肋,以及混凝土板內縱向
鋼筋配筋率等。
Imidacloprid and triazophos in mixture were determined simultareously by reverse phase hplc, methanol and acetonitrile and water and glacial acetic acid as mobile phase, c18 column and uv200 detecter
摘要採用c18不銹
鋼柱和uv200型檢測器,以甲醇?乙腈?水的混合液為流動相,用反相高效液相色譜法對吡蟲啉?三唑磷復配製劑進行定量分析測定。
Small rootballs are usually wrapped with hessian and ropes, or enclosed in a timber box. large rootballs have to be secured in a steel box reinforced with steel beams
細小的根團需以麻布及繩封綁,或放進木盒內;龐大的根團則須放進
鋼箱,再用方
鋼柱穩固。
Test methods for determining the contribution to the fire resistance of structural members - applied protection to concrete filled hollow steel columns
測定結構薄板耐火性的試驗方法.防火用混凝土填充的空心
鋼柱
Traffic was stopped since a boat wanted to go underneath the bridge. see the guard rails and the steel posts and the middle span moving up
由於有艘船要穿越橋下,因此交通被迫中斷,瞧柵欄,
鋼柱和中間墩距正在上升
Such parameters as in - service function, construction technique, construction speed, earthquake resistance behaviour and fire resistance behaviour were analyzed, the results showed that rpc filled in steel tube columns had advantages over other columns in the respects. from the economical analysis of different columns supporting similar loading, it can be seen that the material price of rpc filled in steel tube columns was the lowest. considering outstanding durability of rpc material, the macro - price of rpc filled in steel tube columns should be the lowest and the economical benefit should be the best
通過對
鋼管活性粉末混凝土
柱的建築使用功能、施工工藝、施工速度、抗震性能、耐火性能等眾多指標的分析以及在構件承受相同荷載條件下
鋼管活性粉末混凝土和不同強度的
鋼管混凝土、
鋼筋混凝土、
鋼柱的材料造價的比較,可以看出,
鋼管活性粉末混凝土的局部造價是最低的,結合rpc材料優異的耐久性能,可以認為該組合結構的材料造價是最低的,具有極好的經濟效益。
Scientists have long known that cartilage gets its strength from interlocking millimetre - long collagen fibres that work in a similar way to the load - bearing steel rods in reinforced concrete
很久以前科學家就了解軟骨通過將毫米長的膠原纖維進行交聯來獲得強度,這種方式類似於加強型混凝土中負重的
鋼柱。
The system is constructed by slotted threaded rods or rodplates connected by nuts to angled pedicle screws
這系統由有螺紋的
鋼柱或
鋼板-
柱組合及各種不同角度的椎弓根
鋼釘所成。
Therefore, the light steel portal frame system is compared comprehensively to the bent frame system of solid - web steel column and solid - web steel plate beam, the bent frame system of solid - web steel column and open - web steel pipe truss, as well as the system of rc column and open - web steel pipe truss
因此對中小型單層廠房中實腹式
鋼柱加實腹式
鋼板梁排架體系,實腹式
鋼柱加空腹
鋼管桁架排架體系以及
鋼筋混凝土
柱加空腹
鋼管桁架排架體系與輕
鋼門式剛架進行了綜合比較。
Steel drums - non - removable head tight head drums with a minimum total capacity of 230 l
鋼柱桶.最小總容量為230l的不可移動桶蓋
In the transversal vibration test of the steel supporting post on the flange of qinshen railway bridge, the practical techniques of instrument selection, the provision of static eliminater and the way of data sampling are mainly discussed
摘要針對秦沈線橋上翼緣板接觸網
鋼柱的橫向振動測試,著重論述了儀器的選型、抗靜電干擾措施以及數據採集中的具體技術。
On the basis of simplified calculation model presented by doctor wangxiaoping, some finite element models are set up. by finite element model program sap93, an analysis of static models of 18m - span and 30m - span w666 acmr in different supporting conditions is made. also a study on the relation between definite support displacement, which reflect variational stiffness of substructure represented by steel column or reinforced concrete column, and load - carrying capacity mechanical performance is made too
本文以w666金屬拱型波紋屋頂為研究對象,沿用王小平博士的簡化計算模型,對18m 、 30m跨波紋拱兩端不同支座形式(鉸支、固支和彈性支座)分別利用有限元計算程序sap93進行計算分析,研究波紋拱在不同跨度,不同支座形式下,不同外荷載作用時對該結構受力性能及穩定承載力的影響,同時分析下部支承
鋼柱、
鋼筋混凝土
柱的剛度變化體現為允許支座位移的大小與結構受力性能及穩定承載力之間的關系。
Stub - column test method for effective area of cold - formed steel columns
冷成型
鋼柱有效區域的短
柱試驗方法
Local buckling is the dominant failure mode for composite steel column
摘要局部屈曲是組合
鋼柱常見的失效模式之一。
Steel drums - removable head open head drums with a minimum total capacity of 210 l
鋼柱桶.最小總容積為210升的可拆卸蓋