洛阳透水砖厂家价格带你了解透水砖施工之砂垫层

洛阳透水砖厂家价格带你了解透水砖施工之砂垫层

    ，产品有光亮砖、道牙砖、渗水砖、路沿石、花阁砖、井盖、水泥管、隔离墩等,产品价格低、质量好，受到客户的一致好评，联系方式：***（袁克丰）

今天透水砖生产厂家和大家分享透水砖施工之砂垫层，如下：
    垫层砂起到基层找平、水体过滤、荷载缓冲等作用。垫层砂应满足以下要求：
要求1、垫层砂应为水洗中粗砂，由于资源条件限制，关于垫层砂的物理指标在此不作具体规定。
要求2、垫层砂必须具有良好的透水性能，以保证透下来的水能有及时有效地渗入透水性基层中。所以这里强调不宜采用掺有水泥或石灰的胶结性材料为砂垫层。
要求3、垫层砂应为半干砂，湿度掌握方法为：用手攒捏拌合料成团，松开后自然散开即为合格，干湿适意的垫层砂有利于平整铺面，减少扬尘和提高垫层的密实度。
要求4、垫层砂其他物理性能应符合GB/T14684-2001《建筑用砂》标准之规定

Luoyang water permeable brick factory, the product has light brick, brick curb, water permeable brick, road along the stone, Flower Pavilion brick, manhole covers, cement pipe, isolation pier, low prices, good quality, by the customer the consistent high praise, contact: *** (Yuan Kefeng)
Today, the water permeable brick manufacturers and everyone to share the construction of permeable brick sand cushion, as follows:
Sand cushion to primary water filtration, load leveling, buffer etc.. Permeable brick cushion sand shall meet the following requirements:
Requirements: 1, sand cushion should be washed sand, due to resource constraints, sand cushion on the physical indicators in this without specific provisions.
Requirement 2, cushion sand must have good water permeability, in order to ensure that the water can have a timely and effective way to penetrate into the water. Therefore, the emphasis should not be used in the cement or lime of cement or lime of the cement materials for sand cushion.
Requirement 3, sand cushion shall be for half dry sand, humidity control method for using saved hand knead the mixture into a group, loosen the natural spread is qualified, dry and comfortable sand cushion is conducive to the smooth pavement, reduce dust and cushion to improve the compactness.
Requirement 4, the other physical properties of the permeable brick cushion sand shall be in accordance with the provisions of the standard GB/T14684-2001 "building sand"