人人妻日日摸狠狠躁视频,碰国产免费公开视频,性无码免费专区一区二区三区,国产精品二区按摩片,国产成年人看三级片,99久久国产秒拍

What is the hoop effect

location:Home / NEWS / What is the hoop effect

What is the hoop effect

date:[2019-03-28]     pk_hits:
測定混凝土立方體試件抗壓強度,也可以按粗骨料大粒徑的尺寸而選用不同試件的尺寸。
但是試件尺寸不同、形狀不同,會影響試件的抗壓強度測定結(jié)果。
因為混凝土試件在壓力機上受壓時,在沿加荷方向發(fā)生縱向變形的同時,也按泊松比效應(yīng)產(chǎn)生橫向膨脹。而鋼制壓板的橫向膨脹較混凝土小,因而在壓板與混凝土試件受壓面形成摩擦力,對試件的橫向膨脹起著約束作用,這種約束作用稱為"環(huán)箍效應(yīng)"
環(huán)箍
Rui'an Leichi Automotive Parts Co., Ltd

All product images and promotional images on this website belong to us and are not allowed to be used by any individual or organization. Misappropriation is subject to investigation.

Rui'an Leichi Automotive Parts Co., Ltd

Tel:0577-66003961Fax:0577-66003962Phone:13968888163 E-mail:8892@163.comAdd:zhejiang ruian pond town Lin industrial zone

WeChat

National Service Hotline

13968888163

We warmly welcome your consultation and will provide you with satisfactory solutions for automotive parts

莱阳市| 嘉祥县| 奇台县| 枝江市| 宿迁市| 罗山县| 大石桥市| 海林市| 朝阳区| 随州市| 金山区| 仪征市| 海淀区| 雷波县| 曲靖市| 龙江县|