PIENZA  , a

town of Tuscany, Italy, in the province of Siena, the. case of high piers, of open braced ironwork, as exemplified 9 m. west of the town of Montepulciano by road, 1611 ft. above by the old Crumlin viaduct in Wales and the Pecos viaduct in sea-level . Pop . (1901), 2730 (town); 3836 (commune) . The Texas . These piers, besides being proportioned in cross-section place was originally called Corsignano and owes its present name to the weight they have to support, are widened out at their base, to Aeneas Silvius Piccolomini, Pope Pius II . (q.v.) who was born so as to distribute the load over a sufficient area for it to be borne here in 14o5 . The buildings which he caused to be erected by by the stratum on which it rests without risk of settlement . Bernardo Rossellilo in 1460-1463 form a noble group of early Special provisions have to be made for the foundations of piers Renaissance architecture round the Piazza del Duomo . The where the ground is soft for some depth, or loose water-bearing latter retains Gothic details in the interior, but the facade is strata are encountered, and especially where the piers of large simple Renaissance work . The ether three sides are occupied bridges crossing rivers have to be constructed under water. by the episcopal and municipal palaces, and the Palazzo Picco- In soft ground, bearing piles driven down to a firm stratum, and lomini; the last, resembling the Palazzo Rucellai at Florence, surmounted by a planked floor or a layer of concrete, provide a is the finest, and in front of it is a beautiful fountain .