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自拌混凝土与商品混凝土“砼”的选择

来源:http://www.sdzkjf.cn/ 日期:2021-07-07 发布人:admin
对于不受施工场地和材料供应限制或自家建房的也可选择自拌砼施工,但在选择自拌形式后应招用素质较高较仔细的施工队伍进行施工,因为砼的强度还是要靠人工来调节,材料选择必须含泥量偏少的材料,水泥尽量使用42.5标号以上(砼强度要求来决定),自拌浇捣后必要工作便是二次振捣和二次抹面,因此选择自拌砼坚持:选合适的天气施工、合适的施工队伍、用合适的材料、施工工序不可少。
For those who are not limited by the construction site and material supply or who build their own houses, self mixing concrete construction can also be selected. However, after selecting the self mixing form, a more careful construction team with higher quality should be recruited for construction, because the strength of concrete still depends on manual adjustment. The material selection must be the material with less mud content, and the cement grade above 42.5 should be used as far as possible (determined by the concrete strength requirements), After self mixing, pouring and tamping, the necessary work is the second vibration and the second plastering. Therefore, the selection of self mixing concrete should adhere to the following principles: selecting the right weather for construction, the right construction team, using the right materials, and the construction process.
对于受条件限制或是强制性(特别是市区工程)要求那就必须选择商品砼施工,选择信誉较好的商品砼公司作为合作伙伴,对于现场施工人员每次需料前必须前往现场确定材料,如果含泥量偏大可要求商品砼公司重新进行针对性的配合比设计。
For restricted conditions or mandatory (especially urban engineering) requirements, commercial concrete construction must be selected, and commercial concrete companies with good reputation must be selected as partners. For site construction personnel, they must go to the site to determine the materials before each material demand. If the mud content is too large, commercial concrete companies can be required to carry out targeted mix design again.
坚持每车砼进行坍落度监测,不得在现场调整用水量,根据施工人数、浇捣速度以及天气情况合理调配砼供应速度,如果现场出现砼坍落度偏可退回也不可浇入实体中,砼浇捣后养护至关重要,因为商品砼极不耐渴,所有的外加剂必须通过水份来稳定它的性能,选择商品砼坚持:选合适供应公司、每次每车坚持查看、施工工序不可少、养护要到位。
自上料水泥搅拌车
Adhere to the slump monitoring of each truck of concrete, do not adjust the water consumption on site, and reasonably allocate the concrete supply speed according to the number of construction workers, pouring and tamping speed and weather conditions. If the concrete slump on site is too high, it can be returned or poured into the entity. The maintenance of concrete after pouring and tamping is very important, because the commercial concrete is extremely not thirsty, and all admixtures must stabilize its performance through water, Selection of commercial concrete: select the right supply company, check every vehicle every time, the construction process is indispensable, and the maintenance should be in place.
发展前景:
Development prospects:
自拌砼本身有它的优点所以我们沿用至今,也有它的缺点所以我们已进行选择性的使用;商品砼本身有它的优点所以我们已大面积的推行,也有它的缺点所以必须去改正;而在实际施工中施工单位承担了大部份责任。对于市场前景也必是商品化和市场化来与建筑施工相配合,而商品砼推行时间并不长而且本身也在不断的改进中,在实际施工中做为使用单位我们应坚持原则做事,不得马虎,这样才能推动商品砼的良性发展,给城市化进程带来动力。市场规律也必是生产效率高来取代生产效率低的生产模式。
Self mixing concrete itself has its advantages, so we still use it today, but also has its disadvantages, so we have carried out selective use; Commercial concrete itself has its advantages, so we have carried out it in a large area, but also has its disadvantages, so we must correct it; In the actual construction, the construction unit bears most of the responsibility. The market prospect must be commercialization and marketization to cooperate with the construction, and the implementation of commercial concrete is not long, and it is also in constant improvement. In the actual construction, as the user unit, we should adhere to the principles and not be careless, so as to promote the healthy development of commercial concrete and bring power to the process of urbanization. The law of the market is that high production efficiency will replace low production efficiency.

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