Mechanical Processes with Repeated Attenuated Impacts
... impact motions and even much more then these areas in case when a unit impact is close to the absolute inelastic one . Areas of existence of infinite - impact and the simplest motions often partially overlap each other . So in the ...
Copy of Letters Sent to "Nature" on Partial Impact
... impact is too wide and the number of variables too great to do more than merely glance at its action in these letters . NOTE . Now we have found so many variable stars to be in pairs , we requireto know the proper motion of the ...
Scientific and Technical Aerospace Reports
IMPACT LOAD Structural mechanics of deformation and fracture responses of model viscoelastic materials to Impact [ NASA - CR - 80918 ] 17 p3047 N67-30582 probes ... IMPACT TESTING MACHINE Impact testing machine A - 532 SUBJECT INDEX.
Engineering and Cement World
... impact produced on road surfaces is indicated by these tests . It has been stated that the impact of vehicles on roads varies as the square of the speed but the present tests indicate that within practical speed limits this is not the ...
New York Court of Appeals. Records and Briefs.
... IMPACT FEES Nationwide , local governments are increasingly using " impact fees " to raise money from develop- ers to help them meet the costs of providing highways , schools , recreation , fire service and even affordable housing . An " ...
Transactions
... Impact Tests on Heated Steels 1910 Blount , Kirkaldy and Comparison of Tensile , Impact Notch Shock Tests and the Law of Zeit . des. Date Author Date of Publication 1908 P. Breuil 1908 1908 H. C. Ehrensberger Nouveaux méchanismes et ...
Report of the Tests of Metals and Other Materials for Industrial Purposes
... IMPACT TESTS . LEAD CYLINDERS - Continued . Height of drop . Height of speci- Mark on men . Decrement of height ... impact ..... 15 Approximate diameter after impact , 1. " 16 . Blow delivered after resting 5 days . Approximate ...
Bulletin
... IMPACT LOADS TRANSMITTED TO CULVERTS 22 1. Equipment and Apparatus 22 A. Description of Impact Apparatus 22 B. McCollum - Peters Electrical Strain Tele- meter 24 C. Truck Loads Used 26 D. Obstructions in Track 26 2. Classification of ...
Special Report
... impact . tensile impact on specimens cut from links Results of 57 .. 32. Tensile impact tests on samples CSJ ( -inch ) chain . Energy to fracture - link extension curve 67 .. .. .. 33. Comparison of typical load - elongation diagram of ...
Transactions
... impact , autographic stress - straining recording in . 1912 , ii . 386 . impact , Barba and Leblant spring tup . 1913 , ii . 216 . impact , duration . 1921 , i . 455 . impact , Fremont spring - pressure tup . 1913 , ii . 216 . impact ...
The Elementary Principles of Mechanics: Kinetics. 1895
Augustus Jay Du Bois. of motion , and oblique impact when the line of impact does not coincide with the direction of motion . Thus in Fig . 1 if the two bodies move in the directions un and us we have oblique central impact , and in ...
Abstracts of Papers to be Read at World Engineering Congress and Author's Index, Official Programme, and Programme of Sectional Meetings
... impact bending , im- pact tensile , ordinal tensile and statical tensile ; 4th the elucidation of some fea- ture of ... Impact bending test at high tem- perature . 3. Impact tensile test at high tem- perature . 4. Ordinal tensile ...
A Text Book of Physics for the Use of Students of Science and Engineering
... impact , in which the centres of mass are receding from each other . Finally , the efforts to recover the original dimensions cease , and at this instant the bodies ... IMPACT 235 to experience direct impact . u1 234 CHAP . DYNAMICS.
Engineering News-record
... Impact Study OR two or three years past the bridge engineers of the Indian railways have been deeply interested in impact effects and impact allowances , with regard to both existing and new bridges . Some months ago this interest ...
Mechanical Engineers' Handbook
... impact , and v = common velocity at instant of greatest compression , m101 + M202 = m141 + m2u2 = m1v ' + m2v " , and v = ( mus + mau2 ) / ( m2 + m2 ) . The sum of the momentums of the two masses before , after and during impact is the ...
The Railway Age
... Impact ( I designates live load strain ) 1.00 / Truss Mem- bers Lehigh Valley 1599 60000-68000 54000-62000 0.50 / Bracing No Impact 1.00l Truss Mem- bers 0.50l Wind Bracing { Unit Sirains , Tension Medium Steel 20000 Truss Members , Eye ...
Standard Handbook for Mechanical Engineers
... impact , and v = common velocity at instant of greatest compression , mi01 + M202 = m141 + mau2 = m10 ' + m2v " , and # = ( mus + mauz ) / ( m2 + m2 ) . The sum of the momentums of the two masses before , after and during impact is the ...
Report of the Annual Meeting
... Impact Tests . Impact Tests of Materials . IT is considered that ordinary static tests , such as the tension test on standard bars or the cold bending test , do not reveal the ... IMPACT TESTS . 17 Report of Committee on Impact Tests.
Highway Topics
... impacts of the wheel upon the road , shock impact when the wheel comes in contact with the obstruction and drop impact when it hits the pave- ment following the bounce . The trend today is toward higher vehicular speeds , particularly ...
Official Gazette of the United States Patent Office
... impact wheel to the impulse and reaction rings adjacent thereto . B 28 A 108 28 , 30 30- 27 27 29 9 29 31 39 12 15 ... impact wheel secured to said rotor at or about the longitudinal center thereof , a series of impulse and ...