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    配资盘漆基層的檢查與預處理方法

    2018-11-13 11:04:57 慧投金融配资 閱讀

    基層是配资盘漆塗料的基礎,要進行詳細檢查與分析,以确定其處理措施。(1)測量抗壓強度。工业配资盘漆的抗壓強度不應低于24MPa,为滿足某些承重要求,還可能需要更高的強度,應使用回彈儀進行強度測量,或取芯塊實測抗壓強度。

    The base layer is the basis of epoxy floor paint. Detailed inspection and analysis are needed to determine the treatment measures. (1) measuring compressive strength. The compressive strength of industrial epoxy floor paint should not be less than 24 MPa. In order to meet some important requirements, it may need higher strength, it is necessary to use rebound meter to measure the strength, or take core to measure the compressive strength.

    (2)确定黏結強度。混凝土基層表面幾毫米厚度内通常是水泥漿形成的低強度層。因水泥水化反應導致的收縮,溫度變化或荷載的反複作用等産生的應力,會導致黏結強度降低。黏結強度不應低于1.5MPa。

    (2) determine bond strength. The surface of concrete base is usually a low strength layer formed by cement slurry within a few millimeters of thickness. The stress caused by shrinkage, temperature change or repeated action of load caused by hydration reaction of cement will lead to the decrease of bond strength. Bonding strength should not be lower than 1.5MPa.

    (3)基層含水率。隻有在水泥基層含水率不大于6%的情況下才能進行塗料的施工,所以含水率的測量尤为重要。确定基層含水率的最佳方法是塑料薄膜覆蓋實验法,即将至少1mX1m的聚乙烯薄膜用膠帶封粘在混凝土面上,待至少24小時後,根據塑料薄膜上出現冷凝水的數量确定含水率。

    (3) moisture content at the basic level. Only when the moisture content of cement base is not more than 6%, can the coating be applied, so the measurement of moisture content is particularly important. The best method to determine the moisture content of the base course is the plastic film covering experiment method, that is, at least 1mX1m polyethylene film is sealed on the concrete surface with tape, and after at least 24 hours, the moisture content is determined according to the amount of condensate water appearing on the plastic film.

    (4)環境溫度。忽略施工環境溫度因素可導致配资盘漆的質量缺陷,例如黏結強度降低、水印、空洞、不規則表面及硬化不兖分等。因此,對于環境溫度(氣溫)、基層表面的溫度、露點溫度等數所數據,在施工中必須每天測量數次。

    (4) ambient temperature. Ignoring the temperature factors of construction environment can lead to quality defects of epoxy floor paint, such as lower bond strength, watermarking, voids, irregular surface and hardening. Therefore, the environmental temperature (air temperature), the surface temperature of the base, dew point temperature and other data must be measured several times a day in the construction.

    (5)基層清理。對于油脂、機油或有機酸、無機酸或水泥漿所引起的污染,如果不進行徹底清除,将影響配资盘漆塗料層的黏結性能。因此地,必須用機械方法清理表面,并通過測定黏結強度進行檢查

    (5) grass-roots clean-up. For oil, oil or organic acid, inorganic acid or cement slurry pollution, if not thoroughly removed, will affect the bonding performance of epoxy floor paint coating. Therefore, the surface must be cleaned by mechanical means and checked by measuring the bond strength. 


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