Method for lining a continuous concrete pipe

作者： J Long

DOI:

关键词: Geology 、 Trench 、 Core (manufacturing) 、 Pipe 、 Composite material 、 Cementitious 、 Integrally closed 、 Inflatable

摘要: A METHOD FOR FORMING CONTINUOUS CONCRETE PIPE HAVING AN INTEGRALLY FORMED LINING EXTENDING OVER PART OR ALL OF THE SURFACE ITS BORE. INVENTION RELATES TO LAYING MACHINE WHICH TRAVELS ALONG IN TRENCH AND WRAPS SHEET IMPREVIOUS LINER MATERIAL ABOVE INFLATABLE CORE THEN CONTINUOUSLY DEPOSITS CEMENTIOUS INTO SURROUND CORE. WHEN CEMENTITIOUS HAS SET, IS DEFLATED REMOVED LEAVING WITH PLACE TRENCH.