透水砖的铺贴步骤要注意什么？
素土夯实：在铺设透水砖前，需要先将素土夯实，以保证铺贴的基面平整、牢固。
Plain soil compaction: Before laying permeable bricks, it is necessary to first compact the plain soil to ensure that the laid foundation is flat and firm.
铺设碎石层：在素土夯实的基础上，铺设一层碎石子，并用振动机将其铺平压实，碎石层厚度一般在10厘米左右。
Laying crushed stone layer: On the basis of compacted plain soil, lay a layer of crushed stones and use a vibrating machine to flatten and compact them. The thickness of the crushed stone layer is generally about 10 centimeters.
铺设无纺布：在碎石层上面铺无纺布，以增强透水砖的透水效果和稳定性。
Laying non-woven fabric: Lay non-woven fabric on top of the gravel layer to enhance the permeability and stability of the permeable brick.
铺设河沙：在无纺布上铺设一层河沙，以找平地面并确保透水砖的平整度。
Laying river sand: Lay a layer of river sand on non-woven fabric to level the ground and ensure the flatness of permeable bricks.
放置透水砖：将透水砖放在预先确定好的位置，用橡皮锤将其敲实固定住。
Placing permeable bricks: Place the permeable bricks in a predetermined position and secure them with a rubber hammer.
填充缝隙：在透水砖表面洒细沙将缝隙填充好，并用辊压机把透水砖压实。
Filling the gap: Sprinkle fine sand on the surface of the permeable brick to fill the gap, and use a roller press to compact the permeable brick.
检查平整度：使用水平仪或靠尺等工具检查地面是否平整，一般透水砖表面平整度误差在3-5毫米，都属于合理范围。
Check flatness: Use tools such as a spirit level or ruler to check if the ground is flat. Generally, the surface flatness error of permeable bricks is within a reasonable range of 3-5 millimeters.
请根据实际情况调整具体步骤，必要时咨询人士。
Please adjust the specific steps according to the actual situation and consult professionals if necessary.
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