水泥考题(全国公路水运工程检测人员继承教导2014)(国外英文资料).doc

水泥考题(全国公路水运工程检测人员继续教育2014)(国外英文资料) Cement (the highway continues education) 1 topic cement standard consistency water test environment condition is: temperature ℃, humidity %. A, 20 + 2, 50 Second question 2, the temperature and humidity range of standard curing box is: temperature ℃, humidity %. B, 20 + / - 1, 90 or more Question 3 qualifieds condition is that the pointer to the root hang 300 t, increases the distance between two hands should be within the scope of the mm, remove after farmar, to restore to the front of the suspension weights, the distance between the needle position. D, 17.5 2.5 mm When the cement slurry mix is made, we should wet the mixing pan with the wet cloth first, then add it in 5-10s. A, the water that USES water of the standard consistency, 500g cement The cement standard consistency of the cement standard refers to the cement slurry of the standard vicar test bar to the depth of the mm. C, floor 6 + 1 The first measurement of the initial period of time 6 is 30min, which is measured once every other time in the early clotting time. When the time of the final coagulation time is measured at intervals. C, 5, 15 Problem 7: when the cement and stability are boiling, the reelers clamp should be placed in the boiling box, and the direction of the needle is: B, up The water level in the boiling box should ensure that no water can be added during the whole boiling process, and it can also be guaranteed to boil. D, 30 min + / - 5 min. Problem 9 indoor temperature humidity record at least once a day at least once, the curing oven temperature record at least once. (a) C, 4 h The test of the cement fine scale (sieve analysis method), the negative pressure area of the sieve is Pa, and the sieve of negative pressure sieve is mu m. D, 4000-6000, 4000 Problem 11 cement sample from sample to test to keep h. The cement sample should be sieving through the mm square. B, 24,0.9 The test method of cement sand strength test is divided into benchmark method a