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1)  prestressed round-hole slab
预应力混凝土圆孔板
2)  prestressed concrete slab
预应力混凝土板
1.
In this paper, the basic concepts and characteristics of equivalent loads are discussed, and the calculating formulas of the equivalent loads on prestressed concrete slabs with different forms are deduced on the basis of the principle that the equivalent loads are self equilibrating.
阐述了预应力等效荷载的基本概念和特点,并根据等效荷载自平衡的原理推导了各种形式预应力混凝土板中等效荷载的计算公
2.
Secondly,the least length of pretensioned prestressed concrete slab is defined to make the full use of steel strand strength and avoid flexural crack occurs within the development length.
其次为使构件破坏时充分发挥预应力钢绞线的强度,防止弯曲裂缝出现在延伸长度之内,提出了先张预应力混凝土板在均布荷载作用下的最小板长。
3)  precast prestressed concrete slab
预应力混凝土空心板
1.
In this paper,under the condition of unchanging section sizes of precast prestressed concrete slab and forms of loading,the numerical simulation calculation procedure of member in bending is used and the whole numerical Valne process of precast prestressed concrete slab stress is analyzed.
运用受弯构件全过程数值分析计算程序,在预应力混凝土空心板截面尺寸及荷载形式相同的情况下,对预应力混凝土空心板进行受力全过程的数值分析,即采用计算机模拟试验的方法,探讨了跨高比对中强螺旋肋钢丝预应力混凝土空心板延性影响的总体规律。
2.
In this paper,the calculation procedure of numerical simulation was used and the whole process of loading bending slab was analysed,and the influencing law of percentage of steel to the ductile property of precast prestressed concrete slab with mid-strength spiral-rib steel wire was got from the experiment.
运用受弯构件全过程数值分析计算程序,在预应力混凝土空心板截面尺寸及荷载形式相同,混凝土强度、跨高比、张拉控制应力、钢筋强度等参数不变的情况下,改变螺旋肋钢丝的配筋率,对中强螺旋肋钢丝预应力混凝土空心板进行受力全过程的数值分析,即采用计算机模拟试验的方法,探讨了配筋率对中强螺旋肋钢丝预应力混凝土空心板延性的影响。
4)  prestressed concrete baems and slabs
预应力混凝土梁板
5)  steel fiber reinforced prestressed concrete slab
预应力钢纤维混凝土板
1.
Experimental investigation on bengding of steel fiber reinforced prestressed concrete slab;
预应力钢纤维混凝土板弯曲试验研究
2.
Experimental study on the fatigue elastic modulus of steel fiber reinforced prestressed concrete slabs;
预应力钢纤维混凝土板弯曲疲劳弹性模量试验研究
6)  Cored beam or board of prestressed concrete
预应力混凝土空心板梁
补充资料:圆孔圆钱
      中国战国时通行于三晋和周的一种中有圆孔的圆形铜币。此钱一般无内外郭,背为平背。钱上有"共"、"垣"、"蔺"、"离石"、"襄阴"、"漆垣"、"安臧"、"东周"、"西周"、"共屯赤金"、"半睘"等文字,大多为地名或国名,如共、垣属魏,蔺、离石属赵,安臧属周,东周、西周为国名。这类圆钱大小不一,大致可分为大小两类。大钱直径 3.5~4厘米,重约 10~18克;小钱直径 2.5厘米左右。大钱中的"漆垣"则标明"一",可见小钱当为半。"半睘"属小钱,钱文"半睘"即指半小圆钱而言。安臧钱的书体和安臧空首布上的"安臧" 2字相似,表明两种钱铸造年代相近,似应在战国早期或中期。三晋圆钱品种较多,其中有些当和周钱同时,有的可能较晚。传世品中还有一种文曰"重一两十二珠"(或释"珠重一两,十二")的圆孔钱,前人或以为是秦钱,因为此钱的资料太少,情况很难弄清楚。
  
  
   
  
  战国时三晋的各种圆钱,铸造较少,故流传至今的实物不多,较常见的仅共、垣两种,山西省闻喜、侯马和河南省的辉县、洛阳等地曾有出土。周钱中唯安臧钱近年有出土品。
  

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