shotcrete造句
1 The gangue jet cement is mainly used in shotcrete.
2 Shotcrete : or gunite , Concrete applied by spraying.
3 Shotcrete is a common reinforcing measure in civil engineering.
4 To shotcrete, anchor arm and situ monitoring measurements for the three pillars of the NATM, and in practice NATM is widely used and developed, it is relatively mature tunnel construction methods.
5 And in detection of thickness of shotcrete and bridge base slab, some other methods have to be combined because of their small thickness and unstable velocity of radar wave.
6 Jet regular pattern of wet shotcrete is analyzed based on hydrodynamic the ory . And calculating method of optimum shot velocity is got.
7 Local implemental reinforcements by adopting bolts and shotcrete lining support are suggested in region of surrounding rock mass where tensile stresses appeared.
8 For structural uses, shotcrete is usually sprayed over a framework of reinforcing bars and steel mesh.
9 Based on the previous research, lattice girder reinforced shotcrete support is dealt with, and a method is set up to evaluate the safety of this kind of support for a tunnel in construction.
10 Shotcrete is a mixture of portland cement, aggregate, and water conveyed by compressed air to a spray gun.
11 In many cases the adhesion between the shotcrete and the rock is one of the most important properties.
12 Civil work for excavation, rock blasting, shotcrete , embankment and reclamation, construct jetty, roadwork and painting work.
13 In this paper, a series of bolts and shotcrete experiments are made with the model materials which have different soft structure surfaces, and their acting mechanism is discussed.
14 One kind of artificial sands, machine-made sand, has been used in shotcrete supporting for Gushan tunnel of Jiaojin thruway, He'nan province.
15 With the extensive use of the artificial sand and shotcrete in engineering, the application of the artificial mixed gravel sand in shotcrete have been emphasized by constructor.
16 The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced.
17 To counter the main shortcomings of spray concrete, a new shotcrete robot is designed.
18 According to the basic theory of concrete damage,[www.] the concrete piecewise curve damage model is applied into the finite analysis of shotcrete lining.
19 Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.
20 At last , a coat of final layer of wet shotcrete was provided .
21 To promote and use the shotcreting technology in marine works, experiment investigation was made in order to improve the durability of the shotcrete and the adaptability of the shotcreting technology.
22 According to the anchor bar strengthening theory, there will be a strengthened bearing arch in the action area of anchor bars as a result of the combined actions between these bars and shotcrete.
23 The experimental results have some practical values of the bolts and shotcrete design in underground engineering.
24 This work improves the so-called displacement-based method and addresses the very real need of assessing the safety of lattice girder shotcrete support during tunnel construction.