SHIELD MACHINE, AND CONSTRUCTION METHOD OF TUNNEL
To improve safety in constructing the tunnel.SOLUTION: A shield machine 100 is provided with: an outer body part 10 having an opening 13 inside thereof; a cutter 20 receivably formed in the outer body part 10 through the opening 13 and excavating a working face S; a shutter 60 shutting the opening 1...
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Zusammenfassung: | To improve safety in constructing the tunnel.SOLUTION: A shield machine 100 is provided with: an outer body part 10 having an opening 13 inside thereof; a cutter 20 receivably formed in the outer body part 10 through the opening 13 and excavating a working face S; a shutter 60 shutting the opening 13; and a concrete pump 80 supplying concrete material between the opening 13 and the working face S, wherein the shutter 60 shuts the opening 13 in a state that the cutter 20 is received in the outer body part 10 through the opening 13 from the working face S, and the concrete pump 80 supplies the concrete material between the opening 13 and the working face S in a state that the shutter 60 shuts the opening 13.SELECTED DRAWING: Figure 3
【課題】トンネル工事の安全性を高める。【解決手段】シールド掘進機100は、内部に開口13を有する外胴部10と、開口13を通じて外胴部10内に収容可能に形成され、切羽Sを掘削するカッター20と、開口13を遮蔽するシャッター60と、開口13と切羽Sとの間にコンクリート材料を供給するコンクリートポンプ80と、を備え、カッター20が切羽Sから開口13を通じて外胴部10内に収容された状態でシャッター60が開口13を遮蔽し、シャッター60が開口13を遮蔽した状態でコンクリートポンプ80が開口13と切羽Sとの間にコンクリート材料を供給する。【選択図】図3 |
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