Arizona Republican. (Phoenix, Ariz.) 1902-04-27 [P
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143 ZOOM VERSION THE ARIZONA REPUBLICAN: SUN DAT- - MORNING, APRIL. 27, 190 I any 1. method, or will be provided two gates, each Hie Geological survey. The discharge 111. limestone; pief iue. 10. t.ms per ll. Determined on the powdered 'plug and feather" with . process may be eff- 0 feet by 10 feet 2'X; inches, a from I'. bi nary 27 to December 111, lyol. square foot: aulliui'ity. .1. T. Fa lining. rump!.-:;- No. 1. 2.r.s3 at 21.5 ', com- similar that found with clear No. 2. icient in breaking the stones along opening of 5 fi i t 4Vj inc hes by 10 feet, was l icun'il at the leservoii site and 11. iii::. pared with water of same temp. c -- lines, so joints to be tilled making a total area of 215 square feet ro'.piir.':: no 1 t imi. St. Peter's, Home: material, al. :u 2.011 ai 17.5 O, .empaled with water of regular that The storage or Hood waters on Salt erais Infa: pivr.f lire. 10.7 Ion:: per squire ;:aioe t. nip. wiili mortar may be reasonably thin clear opening. This would have a discharge capacity of 1,500 river will not only utilise sunn wateir. fool; a intimity. .1. T. Fanning, p. 102. Tests fur i rushing were abo made and uniform. about cubic - . , All feet per second, with water standing by h..ldiiifT ill. 10 until needed, but will Wiiii.us areh l.ii.le.es: material, .lit nod are r.iven el- here. The weakest MORTAR AND CONCRETE. 00.0 per 1.074 per square mortar used in the lower 30 feet of the in the reservoir on a level with the top i.r-all- increase the uiiliiy of tiie Moods masonry: pressure, Ions square sample crushed at tons one part Potv:-Ian- d of the tunnels. When the reservoir 01 :! Verde river by providing a much fool: authority, .1. T. Fanning, p. 4:s. foot. dam shall consist of of Recently Made by Mr, Arthur P. Oavis to the Quaker bridge dam (projected): ma- This loci: is to be used in as large cement, to two parts of good stands higher than this the head larger ungated area to receive such course, lei... Is. and at the same time holding terial, rubble masonry: pressure, 15.0 blocks as practicable in order to make sharp sand, and all concrete used in would, of increase the possible long as tons per square foot: authority, Rep. the number of joints as few and the this portion of the dam shall consist of discharge and when water begins to back the waters of the Salt as through spillways Corsimisslon the Verde is able to fill the require- Acqtteduct Com., p. G5. quantity of mortar as small as may be. one part cement, two parts sand and flow the the tunnel , Water Storaae ments. An examination of the records Almanza dam (300 years old); ma It is estimated that the rock will oe- - three parts of broken stone graded to would have a discharge capacity of shows that with such manipulation the terial, rubble masonry: pressure, 14.3 cupy 70 per cent of the structure. Fif- - suc h size as will pass through a screen about 12,000 cubic feet per second; and Verde will usually supply all require- tons per square foot: authority, Ed- teen per cent wiil consist of cement with meshes two inches square. The with the spillways running full, about ments during the four months of De- ward Wegman, p. 24. mortar in which the stones are bedded mortar and concrete used In the up- 14.000 cubic feet per second. The head Detailed Description of the Plans Cost of the Dam and cember. January. February and March, VARIOUS EXPERIMENTAL TESTS. and 15 per cent will consist of cement stream face of the dam for a thickness on the lower sill of the outlet tunnels 20 quality would be 190 feet, with water standing and that a very large proportion of the Material crushed. concrete ram'eed into the vertical of feet snail be of the above Incidental Works The Water Resources of the flood waters of the Verde which now I joints. Taking the weight of the mor- specified, in all parts of the dam at the level of the bottom of the spill- 1 prir-m- s cut from Vrynwy to waste would be Concrete as 115 pounds per cubic foot and which are more than 20 feet from the ways. This will be the maximum head run thus utilized. pressure, IS tons per square tar Region The Fears of an Accumulation of Silt Diss- 3SSS con- dam: foot; as 150 pounds, upstream face and 30 feet from the frequently encountered, but the pos- The record since is taken in Clark. that of the concrete the nection with the proposed reservoir and authority. Sir Andrew masonry will weigh as nearly as can be base the mortar shall be one part Port- sible head would be 20 feet more, or Been Out Scientifically. 2 Granite ashlar, with 2: 210 flowing ipatedEverything Has Worked i"G0.0O0 acre-fe- et annual consumption, mor. estimated 145 pounds per cubic foot. On land cement, three parts sand and four feet, with water over the pressure. ."S3 per square au- a con- tons foot; the have been parts broken stone of a size to pass spillways 20 feet deep, which is con- and from this table has been Society E. & this estimate strains structed, showing what would thority, Austrian A. computed and the section of the dam through a screen with meshes two sidered the maximum head possible, take 3 rubble, place if the past experience should be Sandstone mortar 1:2: designed. As the dam is to serve as a inches square. All mortar and con- encountered only at long intervals if 70 1.453 12,715 32,S."0 pressure. 255 per square, foot; au- The following is the report ot Mr. repeated the construction of the tons highway, a lop width of 10 feet has crete shall be thoroughly mixed as the ever. This will produce a mean pres- SO 17.805 50.055 after Society & Arthu P. Davis of the geological sur- 2.103 reservoir. - thority. Austrian E. A. been adopted with parapets along the work progresses and used so promptly sure of about 11,600 pounds per square HO 2.1C0 25.105 75.S29 4 rubble, l:3Vj; vey of the investigation of the Tontn This table shows if the proposed Sandstone mortar sides. Tiie section adopted is the small- that there will be no danger whatever foot on the gates, or a total on each 100 2.6S2 33,000 10S.SS0 that pressure. 1S4 tons per square au- Basin reservoir site. It will be found reservoir were operated in conjunction foot: est consistent with the necessary top of incipient setting of the cement pre- gate of about 350 tens. These pressures J.:iyi 40.205 ii:i.2ir thority. Austrian Society E. A. to lie very interesting as well as edu- mi with the How of the Verde width, and with the requirement that vious to the completion of the masonry and sizes require gates of great 120 5.520 49,o:r. los.Sso natural 5 ('ravel concrete 1.2:3: pressure, 12S cational reading: river, and an annual supply of 000.000 the resultants of all forces acting upon in which it is placed. No cement shall strength, and efficient means of con- a tribu- i:;i (;.:v.!4 r.'.i.c.r.o 2.".s.r.:!0 tons per square foot: authority, Aus- 00 trolling position. Salt river, though nominally M( et were desired, this could hnv the clam shall bp at ill times within be used until at least days after its their of Gila, really brings far more 140 7.293 o.s.4::.". :;2ii.!ior. trian Society E. it A. Thr pressure on the manufacture, and not until It shall Each gate is built of nine parallel tary the been furnished every year in the record (i 1 the middle third. dees the lr.o S.411 7s.r.2' 4r..4s:. Oravei concrete 3:5: pressure. 00 n be show satisfactory tests according to I beams, two channels horizon- water to their junction than except 1000. In that year there wouid - toe. whi the reservoir is full, will ii.o 9.004 90.275 495.xi;o tnr.s per square foot: authority, Aus- - c ii!a. Though it drain:: a smaller area, baxe been a shortage of about If. per 15.0 tons pe:- square foot computed on the hemical and physic al requirements tally, and three longitudinal beams, the lo.vr.'.i ra Society E. A. half-inc- its basin is nun h higher and eooler and i;o iii2,n;r, is believed a short- Irian it tii" assumption that the dam is a rigid adopted by the American Society of w hole enclosed by a h plate 1 cent. It that such c c 1M 12.15s I.e.;:, 712.00.1 Two ubes of one ubic inch each c. - an average precipilatioii Tar age is permissible in a storage project monoiith and non-elasti- Any elas- Civil Engineers. solidly riveted to the beams and than- 13.459 sm.745 were out briquetts of neat ce- beyond that of the iila basin. !2S.i.s.. if it does not occur oi'tener than once from ticity it may have will tend to relieve The reason for using a larger per- nels, so as to make the entire gate act 21H1 im.::.v,i stsi.ijr, ment, manufactured from materials The drainage basin ol" Salt liver and n.t.!7 hi.