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1、superficial,crrega deina decompa ctaci , oun backfill del slno compleixen els requi sits, ca l?, sorra, grava, backfill potcomplir el s requisitsde laltre material. (5) canonada connectat la fossa plena de gr uixuda backfillde sorra i a la canonada dambds costats al mateix tempsuna backfill i picona
2、t es artificial. 9.3.3.9 provadaigua tancat abansde provar la canonada exigeix les seg ents condici ons: seguretat de gasoductes. Base de 9,4 carretera longit ud (m) de canonada de L-provadaquest projecte amb el paviment flexible estructura, estructura de base debaix a dalt:15cm no garbellat base de
3、 grava omplir + 40 cm Petar + 12 cm gruixqualificat.Nova tecnologiade graduada trencat pedra base , qualificaci macadam pavimentaci planit ud, alt graude requeriments de compactaci , utilitzat e n la construcci de gran estenedora pavimentaci , amb rodes de gomaP2030 corr-compactat, enfocament dins d
4、elprograma. 9.4.1 no grava coix (15cm) construcci 9.4.1.1 deproje cci nos proje ccisorra grava coix de punts de control de construcci: grava no sproje cci , el pe s del fang s menys del 5% de grava neta natural, grava en la construcci de control de laigua en el contingut d humitat ptima dins de 2%,
5、en lamplada de carretera rodant, roda nt a cadacostat ms enll del llit aproximadament 50cm. 9.4.1.2 tecnologiade la construcci de sorra-grava coix(1) grava sorra natural utilitzats remolcsde sorra van ser enviats a lobra. (2) coeficient desoltapreparant materialutilitzant 1.2. (3) la grava repartits
6、 de forma homognia, quanhi haunaconcentraci d rid fines i gruixudes, barrejar enuna conducta oportuna. (4) el paviment almenys un temps rodador 30 -50m. (5) els rodets YZ20 JA- , esttiques depressi a la superf e de grava, slid,sense rids solts i gruixudes i fins,com ara el fenomende concentraci fins
7、 ara.9.4.1.3 superior abans de pavimentquenoobr iran tr nsit 9.4.1.4control dequalitatde constr uccide gruix de grava sorra coix(1): gruix notable en laconstrucci dela identitat, facilitat dobjecti us decontrol dopera dor. (2) el control pendent longitudi nal i transversal: construcci me cnica, pers
8、onal decamp a msde controlar el gruix de laconstrucci de coix, tamb ha dajustar pel coix delpendent longitudinal i transversal,des de la capa que cobreix derrors de laconstrucci. (3) construcci de control hi drulic: construcci,per tal de garantir la millor compacta ci de coixde sorra grava, cal gara
9、ntir el contingutptim daigua de sorra. Perqucanviar contingut daigua de sorra amb la c rrega, transport i clima variacions de temperatura. Enprocs de com pa ctaci de grava, per tant sou ajustoscal realitzar rpidament.9.4.2 Petar bases 40cm Petarbaseper aquest projecte,cal?, escria, grava, prova inco
10、rporaci determinatsegons requeriments de disseny,base 20cm dues vegades a ca da planta pavimentaci compa ctaci de sl. 9.4.2.1 qualitat de compacitat: menor PetarIn order to ensurenormal teachingorder, protethat national (property) is notlost, to preventor minimize theoccurrenceof safety accidents, f
11、ollow the prevent, rescueeachother, ensuresafety and reducelossesprinciple, according to the loca l conditions, make the management system. 1, the princi pal is the re sponsibility of schoolsafety, schoolsecurity underthe l eadership of President security work leading group. T hehead teacher to the
12、leadership team is responsible for, implementation of theaccountability system.2, school monthlystudent knowledgeabout safety education, educationshould be diver sified in theform every safety education for stude ntsof classesper we ek shouldbe targeted. To carryon emergency issues dealing with educ
13、ation inGeneral, self-help and mutual rescueknowledge. Emergency calls (such as 110, 119, 122, 120, adisappearances to report; report of the acci dent toa written report in triplicate, acorre ctional centre, apoli ce station, a township peoplesGover nment shall not conceal the a cci dent.4 week, tea
14、chers are on duty system, establish and impr ove the l eadership values; strengthen the education, management of teaching activities i n schools to ensure normal teachingorder; responsible forschool safety leadershipalways maintained close contact anddistrict police stati ons,canvassing support from the policestationon schoolsafety andhelp. 5, strengthening teachers