2005 ◽  
pp. 79-91
Author(s):  
Yasuo TOYOSAWA ◽  
Toshiyuki MITACHI ◽  
Junjie YANG ◽  
Kazuya ITOH ◽  
TAMRAKAR S.B.

2009 ◽  
Vol 2 (2) ◽  
pp. 99-106
Author(s):  
Kazuya ITOH ◽  
Sahapol TIMPONG ◽  
Yasuo TOYOSAWA

Geotecnia ◽  
2015 ◽  
Vol 135 ◽  
pp. 159-168
Author(s):  
Silvrano Adonias Dantas Neto ◽  
◽  
<br>Francisco Chagas Silva Filho ◽  
<br>Adriano Frutuoso da Silva ◽  
◽  
...  
Keyword(s):  

2022 ◽  
Vol 2148 (1) ◽  
pp. 012023
Author(s):  
Wu Ye ◽  
Yong Lu ◽  
Lingzhi Xi ◽  
Qiang Zhang ◽  
Shaobin Hu

Abstract Rock breaking technology based on dry ice and energy-gathered agent has been developed and successfully applied in trench excavation for construction of oil pipeline. The vibration velocity waveform induced by this technology was monitored in site test to determine the attenuation law of vibration velocity with hypocentral distance. The results show that this rock breaking technology is effective method of trench excavation. It does not excessively damage the adjacent rock mass, ensuring the integrity of ditch walls. The vibration velocity induced by this technology is decay with the increase of hypocentral distance. At the hypocentral distance of 10m, the vibration velocity reduces to less than 20mm/s, which meets the requirements of the safety standard of blasting vibration in general buildings engineering. The results of this experiment have an important guiding effect on the field engineering practice and application of rock breaking technology based on dry ice and energy-gathered agent.


2021 ◽  
pp. 14-43
Author(s):  
Stephen Mileson ◽  
Stuart Brookes

The second chapter describes the physical character of the study area in detail as a framework for understanding the analysis supplied in the chapters to follow. It also sets out the main sources drawn upon in the book, notably the physical remains of archaeology and the fabric of the historic landscape itself, as well as documentary sources such as Anglo-Saxon charter bounds, manorial records, deeds, legal records, and maps, which yield data about the use of space and about inhabitants’ perceptions, the latter particularly revealed by the field names and bynames coined by local people themselves, and by legal depositions dealing with contested ownerships and customary practices. Key archaeological sources include village earthworks, excavated and standing buildings, and botanical and zooarchaeological remains. Archaeological fieldwork carried out as part of the project is described, including fieldwalking, test pit and trial trench excavation, extensive buildings survey, and measuring the soundmarks of church bells.


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