Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB20717A
Inventor
John Francis O'rourke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
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Individual
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Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB20717ApriorityCriticalpatent/GB112315A/en
Publication of GB112315ApublicationCriticalpatent/GB112315A/en
E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
Abstract
112,315. O'Rourke, J. F. Jan. 4. 1917. Stationary batchmixers with rotary stirrers.-In tunnelling through mud, &c., grouting of the ground surrounding a tunnel lining &c. may be effected by means of a tank 47 with agitators 55 driven bv a motor 56. Pipes 51, 52 supply air and water respectively, and the inlet door 53 is closed by air pressure which also forces tha grout through a valve-controlled outlet into a delivery pipe 50.
GB20717A1917-01-041917-01-04Improved Process of Making Tunnels.
ExpiredGB112315A
(en)
Add futilely muddy thick liquid grouting for water blocking device of aggregate outside strong super high water material hole in water -bearing stratum