Anti-static misfire NFJ metal aggregate surface technique of fine stone concrete practice

Not angry not angry of fine stone concrete ground of fine stone concrete misfire ground material of fine stone concrete construction clarificaiton explosion-proof floor no spark fine stone concrete materials in inflammable and explosive goods production workshop and store warehouse safety requirements, and has not hair resistance and higher wear resistance, its use has a special flame not hair of aggregate and high grade cement and special performance to add the seam an agent composed of inorganic composite materials. 1, no spark testing project indicators of fine stone concrete abrasion resistance of 600 g/m2 or less compressive strength 90 n/p was ( ＭＰａ） Flexural strength more than 11 n/p was ( ＭＰａ） Mohs hardness more than 7 wear-resisting degree 4 packing density 1. 5 technical indicators: concrete platform construction to set template - — Template Settings should be smooth, impervious. According to the platform design elevation setting template ( With steel template advisable) Oil and coating template. At the same time, it is recommended that the pillars set around the diamond template. Use level detection template elevation at any time, use of deviation in cheese block adjustment. 2, don't angry, fine stone concrete pouring misfire fine stone concrete pouring requirements within a region ( About 1000 m2) The sequential a casting is completed, will divide the warehouse at the same time in some area of the casting. The ground of the different colors will separate pouring concrete construction. Suggested that concrete strength is not lower than C25 concrete meet the following conditions, water cement ratio as small as possible. The mixing concrete slump control in 3 - 4 cm of commodity concrete slump control in 12 - 14 cm, if the weather temperature is higher, it is recommended to use retarded the seam an agent. If it's fine stone concrete, should be no more than 10 mm biggest gravel diameter. Vibro - — Using plug-in vibrating rod peace plate vibrator vibrating homework. Used after concrete vibratory level, level detection template to adjust deviation parts. Platform level - — Use the heavier steel long roll ( Steel roller should be wide in the template width of 0. More than 5 m) Repeated rolling platform, the platform level. Should be 'steel rolling platform on the foreign body. In can't use the part of the steel roller, blow model should be adopted to make the platform level. The level should be level of platform test to confirm. 3, no spark fine stone concrete pouring amount to guarantee quality and catch up, concrete pouring quantity control under both sides talks things over good quantity, and suggests that in the construction began on the first day is concrete pouring quantity control in the small area, so that the two sides to cooperate. 4, don't angry, Explosion-proof) Floor material construction scheme of ignition material in the raw material control: all the storage and transportation of raw materials and transportation construction process should be forbidden in spark in friction collision ( Such as all kinds of metal and other kinds of stones) 。 In front of the raw materials into the mixer, all raw materials best magnet again check, especially cement, because often possible during grinding of cement mixed with some pieces of ball mill grinding body and iron filings. Strict measurement in order to ensure the accuracy of the formula. Should try to stir evenly. For not angry ( Explosion-proof) Floor into the structure of the distribution characteristics of mixing two groups should be adopted when the trolley feeding, two groups of motor dump truck haul, two electric blender mixing. Don't angry, Explosion-proof) Ground level ground artificial leveling tool cleaning may not be used. Used in the surface of the mill, roller must also clean the rear can be used to not angry ( Explosion-proof) Floor surface of the leveling and plasma processes. Through the above measures, to avoid the man-made materials mixed on the surface of the misfire. Don't angry, Explosion-proof) Floor construction materials should be one-time casting. The first step in the materials about leveling with darby, the second step use mechanical disc trowelling machine for coarse light, vertical and horizontal finishing more than three times. The second step is to use the same method for coarse grinding machines for large area of coarse grinding, coarse grinding machine spatula on application, and after all process for at least three times or more. 5, no spark of check and acceptance of fine stone concrete 1, check the following items, when it comes to the obstacles, should negotiate with charge of personnel and puts forward countermeasures of surface processing, peeling, damage. 2, don't angry, Explosion-proof) Floor acceptance not angry ( Explosion-proof) Floor should be completed after 10 days. Misfire test method is: under the condition of complete darkness, with a diameter of 120 mm, the speed of 1520 r/min electric wheel partitions in the concrete surface friction test, the general to take a test (100 m2 If less than 100 m2 also should take at least a point) 30 cm ╳ 30 cm, test range, every time every wear off 2 - 3 mm, such as no spark, can be regarded as qualified.