水下不分散混凝土试验规程.pdf

DL/T5117·一－2021

目次

1总则…··

2术语…………··2

3水下不分散混凝土拌和物…………………·3

3.1室内拌和与现场取样…………………··3

3.2抗分散性试验…··…………5

3.3胡落度试验…··……………·8

3.4扩展度试验…………………9

3.5表观密度试验…··································································10

3.6含气量试验…··……··12

3.7泌水性试验………··16

3.8凝结时间试验……………四

4水下不分散混凝土……………………·20

4.1试件成型与养护………··20

4.2立方体抗压强度试验…··……………·22

4.3劈裂抗拉强度试验…··………………··24

4.4教结劈裂抗拉强度试验…………····················26

4.5抗弯强度试验……………27

4.6抗渗性试验…………………··29

4.7干缩湿胀试验……………31

本标准用词说明…………··34

引用标准名录………··妇

附：条文说明………………··打

IV

DL/T5117一一2021

Contents

1Generalprovisions……………··1

2Terms········………·················2

………··············3

3Anti-washoutunderwaterconcretemixture····

3.1Mixingmethodinlaboratoryandfieldsampling……·············3

3.2Anti-washouttest········…………………·5

3.3Slumptest…………………··8

3.4Fluidityflowtest…·………9

3.5Densitytest………………·10

……………………12

3.6Aircontenttest········

3.7Bleedingtest··……·…16

3.8Settingtimetest…………·18

4Anti-washoutunderwaterconcrete…………·20

4.1Methodsformakingandcuringconcretespecimens···········20

4.2Compressivestrengthtestofconcretecubes························22

4.3Splittingtensiles仕ength