Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ MODEL SM-1 BALLAST DENSITY GAUGE https://trid.trb.org/View/378500 Mon, 02 Aug 1993 00:00:00 GMT https://trid.trb.org/View/378500 SUMMARY REPORT-BALLAST AND FOUNDATION MATERIALS RESEARCH PROGRAM https://trid.trb.org/View/71191 Sat, 29 Jul 1978 00:00:00 GMT https://trid.trb.org/View/71191 ACOUSTICAL METHOD OF ASSESSING THE QUALITY OF CONCRETE-SLEEPER PACKING https://trid.trb.org/View/73921 Wed, 19 Jul 1978 00:00:00 GMT https://trid.trb.org/View/73921 CALCULATION OF BALLAST BED STRESSES UNDER VERTICAL LOADS BY THE COEFFICIENT OF RIGIDITY https://trid.trb.org/View/73392 Wed, 14 Jun 1978 00:00:00 GMT https://trid.trb.org/View/73392 DETERMINATION OF THE BALLAST-LAYER DENSITY USING RADIOMETRIC MEASUREMENT METHODS https://trid.trb.org/View/72536 Wed, 26 Apr 1978 00:00:00 GMT https://trid.trb.org/View/72536 MEASUREMENT OF BALLAST LAYER VIBRATIONS UNDER THE LOAD OF PASSING TRAINS https://trid.trb.org/View/60868 Thu, 16 Feb 1978 00:00:00 GMT https://trid.trb.org/View/60868 A STUDY OF RAILROAD BALLAST ECONOMICS https://trid.trb.org/View/58074 Mon, 30 Jan 1978 00:00:00 GMT https://trid.trb.org/View/58074 FINITE ELEMENT TRACK BUCKLING MODEL https://trid.trb.org/View/58555 Tue, 27 Dec 1977 00:00:00 GMT https://trid.trb.org/View/58555 THE BALLAST COEFFICIENT AND ITS APPLICATION IN A STUDY ON THE MECHANICAL PROPERTIES OF TRACK https://trid.trb.org/View/54330 Mon, 15 Aug 1977 00:00:00 GMT https://trid.trb.org/View/54330 THE USE OF BITUMINOUS MATERIALS IN THE CONSTRUCTION OF RAIL BEDS https://trid.trb.org/View/53215 Thu, 04 Aug 1977 00:00:00 GMT https://trid.trb.org/View/53215 THE EFFECTS OF ACCELERATED BALLAST CONSOLIDATION https://trid.trb.org/View/48656 Fri, 17 Jun 1977 00:00:00 GMT https://trid.trb.org/View/48656 CONSIDERATIONS IN THE ANALYSIS OF CONVENTIONAL RAILWAY TRACK SUPPORT SYSTEMS https://trid.trb.org/View/48466 Tue, 31 May 1977 00:00:00 GMT https://trid.trb.org/View/48466 A FEASIBILITY STUDY FOR THE MEASUREMENT OF TRACK MODULUS BY RAILWAY TRACK RECORDER CARS https://trid.trb.org/View/51956 Wed, 27 Apr 1977 00:00:00 GMT https://trid.trb.org/View/51956 THE SIGNIFICANCE OF THE RAIL LIFTING WAVE https://trid.trb.org/View/66432 Wed, 16 Feb 1977 00:00:00 GMT https://trid.trb.org/View/66432 FINITE ELEMENT TRACK STABILITY MODEL https://trid.trb.org/View/63799 Wed, 16 Feb 1977 00:00:00 GMT https://trid.trb.org/View/63799