28 05 0
On April 28th 2018, Dubai’s Roads and Transport Authority (RTA) announced that one new tunnel project will be built on May 3 located in both sides of Shaikh Rashid Street in Dubai. When it is completed, it will greatly improve the traffic flow on Shaikh Rashid Street and benefit all drivers. The office thought that […]
30 11 0
According to a survey, the construction activity in UK remained subdued in October and the confidence that it will recovery in the next 12 months has dropped to the lowest level in the past five years. A data published on Thursday from the analytics company IHS Markit said that the growth in the construction industry […]
2 11 0
Based the proposal upon the film named The Abyss in 1989 that was directed by James Cameron, the Norwegian architecture firm Snøhetta designed the first under water restaurant in Europe with the name of “Under”. This restaurant will be built in a village that is at the southernmost point of the Norwegian coastline. Significantly, it […]
25 10 0
After China’s stunning high-speed rail, China’s subway has also conquered The United States, which is the most demanding country on the standards of subway all over the world. On October 16, 2017, China CNR Corporation Limited developed the first Boston subway trains off the line, is expected to arrive in America in December this year. […]
6 09 0
In general，anchor bolt and anchor cable is the most often used measures for protecting the stability of slope. But in the construction whatever use the large or small drilling machine, in order not to break the hole, you must use the casing ,this is virtually increase working hours. Especially drilling in the crushing zone or […]
10 08 0
On August 6th, the Northern Tianshan tunnel project in Xinjiang was fully operational. The Xinjiang Northern Tianshan tunnel project, with a total length of 11.73 km, is the longest road tunnel under construction in Xinjiang. It is an important part of G577 Highway from Jinghe to Yining that is the key project of the core […]
11 07 0
In recent years, a large number of deep foundation pit had been constructed in the city, poor urban drainage system caused the roads water- logging, if deep foundation pit position low-lying, weak blocking drainage measures may lead to adverse water flow backward, which bring about foundation pit soaked by water immersion, to the foundation pit […]
2 06 0
The supporting of self drilling anchor bar is an active form of support, which has the advantages such as good supporting effect,low cost,etc,which represents the development direction of the roadway bolting technology, greatly simplifies the coal working face end support and advanced support process, it ensure the safety of coal production. It has created favorable […]
19 05 0
On the basis of affinity map analysis, the main factors that affect the pulling force of self drilling anchor are confirmed by the analysis of affinity diagram. 1) the drilling hole forming technology is not reasonable The first is the improper selection of drilling methods, drilling using ordinary geological drilling rig, drilling quality can not […]
19 05 0
The diameter and length of anchor are the factors that affect the pulling force of the self drilling anchor, but it can be controlled by the drilling machine, the length of the self drilling anchor bolt and the drill bit, which is not the main factor for the construction control. In soft rock or weathered […]