mso-hansi-font-family:"Times New Roman"">一、波紋管柔韌性塞規(guī)范圍：

mso-hansi-font-family:"Times New Roman"">波紋管柔韌性塞規(guī)，用于預(yù)應(yīng)力混凝土橋梁用塑料波紋管柔性試驗(yàn)，滿足《JT/T529-2016預(yù)應(yīng)力混凝土橋梁用塑料波紋管》標(biāo)準(zhǔn)規(guī)范。預(yù)應(yīng)力混凝土橋梁用塑料波紋管產(chǎn)品的分類、技術(shù)要求、試驗(yàn)方法、檢驗(yàn)規(guī)則、標(biāo)志、包裝、運(yùn)輸和貯存等。適用于以高密度聚乙烯樹脂(HDPE) mso-hansi-font-family:"Times New Roman"">或聚丙烯(PP) "Times New Roman"">為主要原料，經(jīng)熱熔擠出成型的預(yù)應(yīng)力混凝土橋梁用塑料波紋管。

mso-hansi-font-family:"Times New Roman"">二、波紋管柔韌性塞規(guī)參數(shù)：

mso-hansi-font-family:"Times New Roman"">波紋管柔韌性塞規(guī)全套7 "Times New Roman"">個(gè)，包括Φ50mm "Times New Roman"">、Φ60mm、Φ75mm mso-hansi-font-family:"Times New Roman"">、Φ90mm "Times New Roman"">、Φ100mm "Times New Roman"">、Φ115mm "Times New Roman"">、Φ130mm

mso-hansi-font-family:"Times New Roman"">三、波紋管柔韌性塞規(guī)試驗(yàn)步驟：

1、將一根長(zhǎng)1100mm mso-hansi-font-family:"Times New Roman"">的樣件，垂直地固定在測(cè)試平臺(tái)上，按圖4 mso-hansi-font-family:"Times New Roman"">所示位置安裝兩塊弧形模板，其圓弧半徑r mso-hansi-font-family:"Times New Roman"">應(yīng)符合表3 "Times New Roman"">規(guī)定。

2、在樣件上部900mm mso-hansi-font-family:"Times New Roman"">的范圍內(nèi)，用手向兩側(cè)緩慢彎曲樣件至弧形模板位置( mso-hansi-font-family:"Times New Roman"">見圖4) "Times New Roman"">，左右往復(fù)彎曲五次。

3、按圖5 mso-hansi-font-family:"Times New Roman"">所示做一塞規(guī)，當(dāng)樣件彎曲至最終結(jié)束位置保持彎曲狀態(tài)2min mso-hansi-font-family:"Times New Roman"">后，觀察塞規(guī)能否順利地從波紋管中通過(guò)。