D2B—Lancaster Farming, Saturday, June 7,1980 Important tips given to prevent ITHACA, N.Y. - After a century of use on dairy farms, upnght concrete silos are becoming the subject of increased planning, management and regular „ maintenance. Reason for the heightened concern is attributed to the greater stresses and strains being placed on the silos as they have increased m size and capacities. Several silo failures oc curred in Pennsylvania last year. One toppled in Lan caster County and another tilted. Two were reported down in Berks County. Other failures were cited in New York and Canada. The problem became senous enough to arouse concern among ag engineers and silo manufacturers, who met recently at Cornell University to discuss recommendations for preventing such failures. WEDNESDAY IS DAIRY ST DAY AT NEW HOLLAND SALES STABLES, INC. New Holland, PA If you need 1 cow or a truck load, we have from 100 to 200 cows to sell every week at your price Mostly fresh and close springing hols tems Cows from local farmers and our regular ship pers include Marvin Eshleman, Glenn Fite, Kelly Boser, Bill Lang, Blame Hoffer, Dale Hostetter, H D Matz, and Jerry Miller SALE STARTS - 12:00 SHARP Also Every Wednesday, Hay, Straw & Ear Corn Sale -12:00 Noon All Dairy & Heifers must be eligible for Pennsylvania Health Charts. For arrangements for special sales or herd dispersals at our barn or on your farm, contact Abram Diffenbach, Mgr. 717-354-4341 Norman Kolb Mil 717-397-5538 The Cornell group decided silo failures can be divided into two categories, foun dation and structural. Foundation failures, ac cording to findings, can be the result of three deficiencies, including soil bearing, inadequate footing design and construction and underground erosion. The group recommended that soil tests be made before footings are installed and that farmers not install their own footings “unless they understand the Oner points of load bearing capacity of the soil and good concrete design.” A soil test probably would have prevented a new silo from tilting on Elam Zim merman’s farm near Lititz. A check showed the struc ture had been erected over what appeared to have been a filled-m lime kiln. Mike Bozozuk, structural ~£t L engineer for the National Research Council of Canada and an expert on silo problems, recommended soil testing before building a silo foundation, especially in clay soils. He believed some silo problems are inherent in the nng-shape foundations widely used and favored solid foundations. He noted that foundation problems also can occur when two or New & Used Silos New & Used Extensions Tear down & Rebuild Replastering, roofs, permanent pipe & distributors Jamesway Unloaders Barn Equipment Write or Call DETWEILER SILOS Rd 2 Box 267-D Newville, PA 17241 Phone: 717-532-3039 717-776-7533 717-776-3288 Drainage Pays High Returns COM PA RE Investment Annlalßrturn EV6O With the Conservative fig- SISSS. 2 Jg? ures shown here - lt ’ s obvious that Farm Land. n% land drainage should top farmers’ Bonds 'IS lists of investment priorities. V COCALICO EQUIPMENT CO. DRAINAGE & EXCAVATING RD #3, DENVER, PA 17517 more silos are grouped too closely together. Some failures apparently have been caused by high volumes of silage juice undermining ring footings because of improper drainage, in other cases, ring footings tilted due to soil erosion caused by long periods of heavy rams, particularly in clay soils. (Turn to Page D 36) ★ We Stock Heavy Grade Tubing which Exceeds SCS Specifications. In sizes 4". 6", 8”. 10" and 12". ★ Also Pipe And Fittings For Tile Outlet Terraces. silo failures teatherfite STOCK & HORSE TRAILERS I******** Cost efficiency is what FEATHER-LITE is ail about and towing lite is towing right. Feather-lite is 30% lighter than conventional steel trailers. It does not rust and think of the fuel that you can save. The complete line is all aluminum and they are built with the highest standards in the industry. Save MONEY, save GAS,and solve maintenance problems. Get all of the facts today Dealer inquiries invited FEATHER-LITE Trailers of lowa, Inc. P.O Box-60 Erickson Industrial Park Cresco. lowa 52136 Ph (319) 547-4725 ; ML PH: 215-267-3808
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