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1)  Benkelman Beam(BB)
贝克曼梁(BB)
2)  Benkelman Beam
贝克曼梁
1.
Study of test correlation in detecting the subgrade with portable falling weight deflectometer(FWD) and Benkelman beam;
便携式落锤弯沉仪与贝克曼梁在路基检测中的相关关系研究
2.
Correlation of Roadbed Deflections between FWD and Benkelman Beam;
FWD和贝克曼梁在路基弯沉检测中的相关性分析
3.
On the basis of analyzing the present condition and the latest developments of deflection testing techniques both at home and abroad,this paper assesses all kinds of deflection testing techniques,and studies the correction of the deflection values from FWD and Benkelman Beam and the application of FWD to highway inspection,which may help FWD find still wider application at home.
分析了国内外弯沉检测技术现状及发展动态,比较了静态弯沉量测、稳定弯沉量测及冲击荷载下动态弯沉量测等几种弯沉检测方法,详述了贝克曼梁弯沉检测与落锤式弯沉仪各自的特点与不足,最后介绍了FWD弯沉仪在工程检测中的应用实例,有利于FWD在国内的推广应用。
3)  Beckman Beam
贝克曼梁
1.
Research on Revised Subgrade Surface Deflection with Beckman Beam;
贝克曼梁测试路基表面弯沉修正研究
2.
Analysis of Dependece Relation of FWD and Beckman Beam Used in Pavement Detection;
FWD和贝克曼梁在路面检测中的相关关系分析
4)  Beckelman Beam
贝克曼梁
1.
Method of Void Identification Beneath Concrete Slabs Based on Beckelman Beam Deflection Value;
基于贝克曼梁弯沉值的板底脱空判别方法
2.
In the paper based on the deflection at the transverse joint and the center of slabs measured with Beckelman Beam,the method of void identification is established by comparing the back-calculated Winkeler foundation reaction modulus at the edge of transverse joint and the center of slabs.
为满足目前水泥混凝土路面养护的需要,本文探索用贝克曼梁检测混凝土板横缝处和板中弯沉,应用Winkeler地基板的弯沉与荷载关系式,反算板中和板边处地基反应模量,通过对比该模量判定混凝土板底是否脱空。
5)  Deflectometer Benkelman Beam
贝克曼梁仪
6)  Benkleman beam deflectometer
贝克曼梁弯沉仪
补充资料:蓝贝司BB
分子式:C17H20N2O3
分子量:310.32
CAS号:120-00-3

性质:该品为浅灰色或灰白色粉末,熔点为98-100℃。不溶于水,可溶于吡啶、乙醇等有机溶剂。具有一般胺类通性,能溶于2-3%浓度的盐酸中。

制备方法:用对苯二酚为原料,用氯乙烷进行烷基化,接着用硝酸硝化,硫化纳还原,而后用苯甲酰氯进行酰化,再用硝酸硝化,经吡啶和亚硫酸氢钠还原,并精制、过滤及干燥而得。原料消耗(kg/t)对苯二酚(98%) 560 硝酸(98%) 930氯乙烷(95%) 930 盐酸 710苯甲酰氯(98%) 630 硫化钠(63.5%) 1040吡啶(98%) 32 亚硫酸氢钠(95%) 1030烧碱(100%) 970 氯化铵(98%) 70纯碳(98%) 700 锌锭 110

用途:主要用于棉、粘胶和丝织物染色和印花的显色剂,更适用于防染印花。单独染色使用较少,不易拨染。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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