Class information for:
Level 1: HORIZONTAL DIRECTIONAL DRILLING//PULL LOAD//TRENCHLESS TECHNOLOGY

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
30135 174 18.5 20%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
16 4 ENGINEERING, CIVIL//CONSTRUCTION & BUILDING TECHNOLOGY//MECHANICS 627508
574 3       ROAD MATERIALS AND PAVEMENT DESIGN//ENGINEERING, CIVIL//WATER DISTRIBUTION SYSTEMS 16376
2092 2             WATER DISTRIBUTION SYSTEMS//WATER DISTRIBUTION NETWORK//WATER HAMMER 5188
30135 1                   HORIZONTAL DIRECTIONAL DRILLING//PULL LOAD//TRENCHLESS TECHNOLOGY 174

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 HORIZONTAL DIRECTIONAL DRILLING authKW 4046612 16% 82% 28
2 PULL LOAD authKW 701965 2% 100% 4
3 TRENCHLESS TECHNOLOGY authKW 438713 6% 25% 10
4 ASTM F1962 authKW 350983 1% 100% 2
5 DRILLING FLUID PRESSURE authKW 350983 1% 100% 2
6 HDD TECHNOLOGY authKW 350983 1% 100% 2
7 PIPELINE LIFTING authKW 350983 1% 100% 2
8 HORIZONTAL DIRECTIONAL DRILLING HDD authKW 350979 2% 50% 4
9 DIRECTIONAL DRILLING authKW 286625 4% 23% 7
10 SURFACE HEAVE authKW 233987 1% 67% 2

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Construction & Building Technology 4645 28% 0% 48
2 Engineering, Civil 4416 44% 0% 76
3 Engineering, Petroleum 2714 13% 0% 22
4 Acoustics 682 12% 0% 21
5 Engineering, Industrial 470 9% 0% 16
6 Engineering, General 411 12% 0% 21
7 International Relations 188 5% 0% 8
8 Engineering, Marine 158 2% 0% 3
9 Energy & Fuels 157 10% 0% 18
10 Engineering, Geological 138 3% 0% 6

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 UNDERGROUND INFRASTRUCT EDUC 233987 1% 67% 2
2 ADVANCEMENT TRENCHLESS TECHNOL WATERLOO 175491 1% 100% 1
3 ARA A FULTON CONSTRUCT 175491 1% 100% 1
4 CENT ARTERY TUNNEL PROJECT 175491 1% 100% 1
5 CHINA US JOINT TRENCHLESS RD 175491 1% 100% 1
6 COMMUNITY ENVIRONM NOISE 175491 1% 100% 1
7 ELECT ENGN TEACHING SECT 175491 1% 100% 1
8 GAINESVILLE PROF 175491 1% 100% 1
9 GRP NEW ENERGY RISK MANAGEMENT WELL CONSTRU 175491 1% 100% 1
10 HEADQUARTERS OFF ENCROACHMENT PERMITS 175491 1% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 JOURNAL OF PIPELINE SYSTEMS ENGINEERING AND PRACTICE 177569 7% 8% 13
2 TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY 73219 16% 2% 27
3 NOISE CONTROL ENGINEERING JOURNAL 48453 10% 2% 17
4 JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT-ASCE 13986 6% 1% 10
5 SPE DRILLING & COMPLETION 6348 3% 1% 5
6 SOUND AND VIBRATION 4824 2% 1% 3
7 MIDDLE EAST REVIEW 3579 1% 2% 1
8 JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT 3039 3% 0% 5
9 SOCIO-ECONOMIC PLANNING SCIENCES 2755 2% 1% 3
10 JOURNAL OF PETROLEUM TECHNOLOGY 2446 2% 0% 4

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 HORIZONTAL DIRECTIONAL DRILLING 4046612 16% 82% 28 Search HORIZONTAL+DIRECTIONAL+DRILLING Search HORIZONTAL+DIRECTIONAL+DRILLING
2 PULL LOAD 701965 2% 100% 4 Search PULL+LOAD Search PULL+LOAD
3 TRENCHLESS TECHNOLOGY 438713 6% 25% 10 Search TRENCHLESS+TECHNOLOGY Search TRENCHLESS+TECHNOLOGY
4 ASTM F1962 350983 1% 100% 2 Search ASTM+F1962 Search ASTM+F1962
5 DRILLING FLUID PRESSURE 350983 1% 100% 2 Search DRILLING+FLUID+PRESSURE Search DRILLING+FLUID+PRESSURE
6 HDD TECHNOLOGY 350983 1% 100% 2 Search HDD+TECHNOLOGY Search HDD+TECHNOLOGY
7 PIPELINE LIFTING 350983 1% 100% 2 Search PIPELINE+LIFTING Search PIPELINE+LIFTING
8 HORIZONTAL DIRECTIONAL DRILLING HDD 350979 2% 50% 4 Search HORIZONTAL+DIRECTIONAL+DRILLING+HDD Search HORIZONTAL+DIRECTIONAL+DRILLING+HDD
9 DIRECTIONAL DRILLING 286625 4% 23% 7 Search DIRECTIONAL+DRILLING Search DIRECTIONAL+DRILLING
10 SURFACE HEAVE 233987 1% 67% 2 Search SURFACE+HEAVE Search SURFACE+HEAVE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 YANG, K , GE, T , WANG, XY , (2016) ATTITUDE AND POSITION MEASUREMENT OF BIT FOR UNDERWATER HORIZONTAL DIRECTIONAL DRILLING SYSTEM.OCEAN ENGINEERING. VOL. 123. ISSUE . P. 253 -261 20 87% 0
2 SHU, B , MA, BS , (2016) THE RETURN OF DRILLING FLUID IN LARGE DIAMETER HORIZONTAL DIRECTIONAL DRILLING BOREHOLES.TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY. VOL. 52. ISSUE . P. 1 -11 12 100% 0
3 (2006) A GLOBAL APPROACH TO NOISE CONTROL POLICY.NOISE CONTROL ENGINEERING JOURNAL. VOL. 54. ISSUE 5. P. 289-346 10 83% 0
4 SHU, B , MA, BS , (2015) STUDY OF GROUND COLLAPSE INDUCED BY LARGE-DIAMETER HORIZONTAL DIRECTIONAL DRILLING IN A SAND LAYER USING NUMERICAL MODELING.CANADIAN GEOTECHNICAL JOURNAL. VOL. 52. ISSUE 10. P. 1562 -1574 10 63% 1
5 (2004) A GLOBAL APPROACH TO NOISE CONTROL POLICY - PART 1: GENERAL.NOISE CONTROL ENGINEERING JOURNAL. VOL. 52. ISSUE 6. P. 252-298 10 83% 0
6 MATTHEWS, JC , ALLOUCHE, EN , STERLING, RL , (2015) SOCIAL COST IMPACT ASSESSMENT OF PIPELINE INFRASTRUCTURE PROJECTS.ENVIRONMENTAL IMPACT ASSESSMENT REVIEW. VOL. 50. ISSUE . P. 196 -202 5 83% 3
7 MILLER, KA , (2009) WHAT CAUSES BOOMS AND BUSTS IN HEAVY OIL?.JOURNAL OF CANADIAN PETROLEUM TECHNOLOGY. VOL. 48. ISSUE 2. P. 5 -7 5 100% 0
8 RABIEI, M , YI, YL , BAYAT, A , CHENG, R , (2016) GENERAL METHOD FOR PULLBACK FORCE ESTIMATION FOR POLYETHYLENE PIPES IN HORIZONTAL DIRECTIONAL DRILLING.JOURNAL OF PIPELINE SYSTEMS ENGINEERING AND PRACTICE. VOL. 7. ISSUE 3. P. - 4 100% 0
9 FU, BW , AI, ZJ , LIU, X , WANG, S , QIN, H , CHEN, R , (2016) THE RESEARCH OF PIPELINE LIFTING MODEL IN HORIZONTAL DIRECTIONAL DRILLING.JOURNAL OF VIBROENGINEERING. VOL. 18. ISSUE 6. P. 3435 -3450 4 100% 0
10 ZAYED, T , MAHMOUD, M , (2013) DATA ACQUISITION AND FACTORS IMPACTING PRODUCTIVITY OF HORIZONTAL DIRECTIONAL DRILLING (HDD).TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY. VOL. 33. ISSUE . P. 63-72 5 83% 2

Classes with closest relation at Level 1


Rank Class id link
1 37637 MOSAIC TILING//TUNNELING ROBOT//MARBLE MOSAIC
2 19361 BOX CULVERT//CULVERTS//INDUCED TRENCH
3 10687 JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT-ASCE//JOURNAL OF CONSTRUCTION ENGINEERING AND MANAGEMENT//EARTHMOVING
4 25272 URBAN UNDERGROUND SPACE//UNDERGROUND SPACE//TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY
5 35797 YAGERS METHOD//UNDERGROUND MINING METHOD SELECTION//MINING METHOD SELECTION
6 32779 PIPELINE INSPECTION GAUGE PIG//PIPELINE PIGGING//PIGGING
7 36507 AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY//ANAL NAT ENVIRONM MONITORING//AQUAT AQUACULTURE
8 13562 WATER MAINS//ASSET MANAGEMENT//SEWER ASSET MANAGEMENT
9 33391 VISUAL IMAGE ANALYSIS//ADHESIVE PIGLETS SPLITTING//ALPAGOTA
10 18559 DRILLSTRINGS//DRILL STRING//DRILL STRING DYNAMICS

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