**Die Rolle von Asphalt in der modernen städtischen Infrastruktur**

\\\\\\\瀝\\\\\\\青\\\\\\\，\\\\\\\也\\\\\\\称\\\\ \\\沥\\\\\\\青\\\\\\\，\\\\\\\是\\\\\\\一\\\\\\\种 \\\\\\\由\\\\\\\岩\\\\\\\石\\\\\\\、\\\\\\\石\\\\\ \\油\\\\\\\沥\\\\\\\青\\\\\\\和\\\\\\\胶\\\\\\\体\ \\\\\\的\\\\\\\混\\\\\\\合\\\\\\\物\\\\\\\，\\\\\\ \是\\\\\\\一\\\\\\\种\\\\\\\黑\\\\\\\色\\\\\\\的\\ \\\\\胶\\\\\\\状\\\\\\\物\\\\\\\质\\\\\\\，\\\\\\\ 通\\\\\\\常\\\\\\\在\\\\\\\温\\\\\\\度\\\\\\\较\\\ \\\\高\\\\\\\时\\\\\\\呈\\\\\\\液\\\\\\\态\\\\\\\\ u3002\\\\\\\瀝\\\\\\\青\\\\\\\在\\\\\\\现\\\\\\\代\\\\ \\\城\\\\\\\市\\\\\\\基\\\\\\\础\\\\\\\设\\\\\\\施 \\\\\\\中\\\\\\\发\\\\\\\挥\\\\\\\着\\\\\\\重\\\\\ \\要\\\\\\\作\\\\\\\用\\\\\\\，\\\\\\\其\\\\\\\应\ \\\\\\用\\\\\\\范\\\\\\\围\\\\\\\广\\\\\\\泛\\\\\\ \，\\\\\\\包\\\\\\\括\\\\\\\道\\\\\\\路\\\\\\\建\\ \\\\\设\\\\\\\、\\\\\\\建\\\\\\\筑\\\\\\\防\\\\\\\ 水\\\\\\\、\\\\\\\屋\\\\\\\顶\\\\\\\覆\\\\\\\盖\\\ \\\\等\\\\\\\方\\\\\\\面\\\\\\\。

\\\\\\\在\\\\\\ \城\\\\\\\市\\\\\\\基\\\\\\\础\\\\\\\设\\\\\\\施\\ \\\\\中\\\\\\\，\\\\\\\道\\\\\\\路\\\\\\\建\\\\\\\ 设\\\\\\\是\\\\\\\瀝\\\\\\\青\\\\\\\最\\\\\\\为\\\ \\\\广\\\\\\\泛\\\\\\\应\\\\\\\用\\\\\\\的\\\\\\\\ u9886\\\\\\\域\\\\\\\之\\\\\\\一\\\\\\\。\\\\\\\瀝\\\\ \\\青\\\\\\\混\\\\\\\凝\\\\\\\土\\\\\\\路\\\\\\\面 \\\\\\\具\\\\\\\有\\\\\\\良\\\\\\\好\\\\\\\的\\\\\ \\耐\\\\\\\久\\\\\\\性\\\\\\\和\\\\\\\承\\\\\\\载\ \\\\\\能\\\\\\\力\\\\\\\，\\\\\\\能\\\\\\\够\\\\\\ \承\\\\\\\受\\\\\\\车\\\\\\\辆\\\\\\\交\\\\\\\通\\ \\\\\带\\\\\\\来\\\\\\\的\\\\\\\压\\\\\\\力\\\\\\\ 和\\\\\\\摩\\\\\\\擦\\\\\\\，\\\\\\\同\\\\\\\时\\\ \\\\具\\\\\\\有\\\\\\\较\\\\\\\好\\\\\\\的\\\\\\\\ u9632\\\\\\\水\\\\\\\性\\\\\\\能\\\\\\\，\\\\\\\能\\\\ \\\够\\\\\\\有\\\\\\\效\\\\\\\防\\\\\\\止\\\\\\\路 \\\\\\\面\\\\\\\因\\\\\\\雨\\\\\\\水\\\\\\\侵\\\\\ \\蚀\\\\\\\而\\\\\\\损\\\\\\\坏\\\\\\\。\\\\\\\此\ \\\\\\外\\\\\\\，\\\\\\\瀝\\\\\\\青\\\\\\\路\\\\\\ \面\\\\\\\施\\\\\\\工\\\\\\\简\\\\\\\便\\\\\\\、\\ \\\\\成\\\\\\\本\\\\\\\较\\\\\\\低\\\\\\\，\\\\\\\ 便\\\\\\\于\\\\\\\维\\\\\\\护\\\\\\\和\\\\\\\修\\\ \\\\复\\\\\\\，\\\\\\\因\\\\\\\此\\\\\\\被\\\\\\\\ u5e7f\\\\\\\泛\\\\\\\应\\\\\\\用\\\\\\\于\\\\\\\城\\\\ \\\市\\\\\\\道\\\\\\\路\\\\\\\建\\\\\\\设\\\\\\\中 \\\\\\\。

\\\\\\\除\\\\\\\了\\\\\\\道\\\\\\\路\\\\\\\建\\\\ \\\设\\\\\\\，\\\\\\\瀝\\\\\\\青\\\\\\\在\\\\\\\建 \\\\\\\筑\\\\\\\领\\\\\\\域\\\\\\\也\\\\\\\发\\\\\ \\挥\\\\\\\着\\\\\\\重\\\\\\\要\\\\\\\作\\\\\\\用\ \\\\\\。\\\\\\\在\\\\\\\建\\\\\\\筑\\\\\\\防\\\\\\ \水\\\\\\\方\\\\\\\面\\\\\\\，\\\\\\\瀝\\\\\\\青\\ \\\\\通\\\\\\\过\\\\\\\其\\\\\\\优\\\\\\\异\\\\\\\ 的\\\\\\\粘\\\\\\\结\\\\\\\性\\\\\\\和\\\\\\\防\\\ \\\\水\\\\\\\性\\\\\\\能\\\\\\\，\\\\\\\被\\\\\\\\ u5e7f\\\\\\\泛\\\\\\\应\\\\\\\用\\\\\\\于\\\\\\\屋\\\\ \\\顶\\\\\\\、\\\\\\\地\\\\\\\下\\\\\\\室\\\\\\\等 \\\\\\\建\\\\\\\筑\\\\\\\部\\\\\\\位\\\\\\\的\\\\\ \\防\\\\\\\水\\\\\\\处\\\\\\\理\\\\\\\。\\\\\\\瀝\ \\\\\\青\\\\\\\材\\\\\\\料\\\\\\\能\\\\\\\够\\\\\\ \有\\\\\\\效\\\\\\\阻\\\\\\\止\\\\\\\水\\\\\\\分\\ \\\\\渗\\\\\\\透\\\\\\\，\\\\\\\保\\\\\\\护\\\\\\\ 建\\\\\\\筑\\\\\\\结\\\\\\\构\\\\\\\不\\\\\\\受\\\ \\\\潮\\\\\\\湿\\\\\\\环\\\\\\\境\\\\\\\的\\\\\\\\ u4fb5\\\\\\\害\\\\\\\，\\\\\\\延\\\\\\\长\\\\\\\建\\\\ \\\筑\\\\\\\物\\\\\\\的\\\\\\\使\\\\\\\用\\\\\\\寿 \\\\\\\命\\\\\\\，\\\\\\\保\\\\\\\障\\\\\\\建\\\\\ \\筑\\\\\\\物\\\\\\\内\\\\\\\部\\\\\\\的\\\\\\\干\ \\\\\\燥\\\\\\\和\\\\\\\舒\\\\\\\适\\\\\\\。

\\\\ \\\此\\\\\\\外\\\\\\\，\\\\\\\瀝\\\\\\\青\\\\\\\还 \\\\\\\被\\\\\\\用\\\\\\\于\\\\\\\道\\\\\\\路\\\\\ \\和\\\\\\\建\\\\\\\筑\\\\\\\材\\\\\\\料\\\\\\\的\ \\\\\\生\\\\\\\产\\\\\\\中\\\\\\\。\\\\\\\例\\\\\\ \如\\\\\\\，\\\\\\\瀝\\\\\\\青\\\\\\\混\\\\\\\凝\\ \\\\\土\\\\\\\是\\\\\\\一\\\\\\\种\\\\\\\常\\\\\\\ 见\\\\\\\的\\\\\\\道\\\\\\\路\\\\\\\建\\\\\\\设\\\ \\\\材\\\\\\\料\\\\\\\，\\\\\\\其\\\\\\\优\\\\\\\\ u826f\\\\\\\的\\\\\\\耐\\\\\\\久\\\\\\\性\\\\\\\和\\\\ \\\承\\\\\\\载\\\\\\\能\\\\\\\力\\\\\\\使\\\\\\\其 \\\\\\\成\\\\\\\为\\\\\\\城\\\\\\\市\\\\\\\道\\\\\ \\路\\\\\\\建\\\\\\\设\\\\\\\的\\\\\\\首\\\\\\\选\ \\\\\\材\\\\\\\料\\\\\\\。\\\\\\\在\\\\\\\建\\\\\\ \筑\\\\\\\材\\\\\\\料\\\\\\\中\\\\\\\，\\\\\\\瀝\\ \\\\\青\\\\\\\也\\\\\\\被\\\\\\\用\\\\\\\作\\\\\\\ 黏\\\\\\\结\\\\\\\剂\\\\\\\和\\\\\\\涂\\\\\\\料\\\ \\\\的\\\\\\\原\\\\\\\料\\\\\\\，\\\\\\\通\\\\\\\\ u8fc7\\\\\\\其\\\\\\\优\\\\\\\异\\\\\\\的\\\\\\\粘\\\\ \\\结\\\\\\\性\\\\\\\和\\\\\\\耐\\\\\\\候\\\\\\\性 \\\\\\\，\\\\\\\为\\\\\\\建\\\\\\\筑\\\\\\\材\\\\\ \\料\\\\\\\提\\\\\\\供\\\\\\\坚\\\\\\\固\\\\\\\的\ \\\\\\连\\\\\\\接\\\\\\\和\\\\\\\防\\\\\\\护\\\\\\ \。

\\\\\\\总\\\\\\\的\\\\\\\来\\\\\\\说\\\\\\\，\\\\\ \\瀝\\\\\\\青\\\\\\\在\\\\\\\现\\\\\\\代\\\\\\\城\ \\\\\\市\\\\\\\基\\\\\\\础\\\\\\\设\\\\\\\施\\\\\\ \中\\\\\\\发\\\\\\\挥\\\\\\\着\\\\\\\重\\\\\\\要\\ \\\\\作\\\\\\\用\\\\\\\，\\\\\\\其\\\\\\\应\\\\\\\ 用\\\\\\\范\\\\\\\围\\\\\\\广\\\\\\\泛\\\\\\\，\\\ \\\\涵\\\\\\\盖\\\\\\\了\\\\\\\道\\\\\\\路\\\\\\\\ u5efa\\\\\\\设\\\\\\\、\\\\\\\建\\\\\\\筑\\\\\\\防\\\\ \\\水\\\\\\\、\\\\\\\建\\\\\\\筑\\\\\\\材\\\\\\\料 \\\\\\\生\\\\\\\产\\\\\\\等\\\\\\\多\\\\\\\个\\\\\ \\领\\\\\\\域\\\\\\\。\\\\\\\瀝\\\\\\\青\\\\\\\通\ \\\\\\过\\\\\\\其\\\\\\\优\\\\\\\异\\\\\\\的\\\\\\ \性\\\\\\\能\\\\\\\，\\\\\\\为\\\\\\\城\\\\\\\市\\ \\\\\基\\\\\\\础\\\\\\\设\\\\\\\施\\\\\\\的\\\\\\\ 建\\\\\\\设\\\\\\\和\\\\\\\维\\\\\\\护\\\\\\\提\\\ \\\\供\\\\\\\了\\\\\\\有\\\\\\\效\\\\\\\的\\\\\\\\ u6280\\\\\\\术\\\\\\\支\\\\\\\持\\\\\\\，\\\\\\\保\\\\ \\\障\\\\\\\了\\\\\\\城\\\\\\\市\\\\\\\基\\\\\\\础 \\\\\\\设\\\\\\\施\\\\\\\的\\\\\\\安\\\\\\\全\\\\\ \\、\\\\\\\耐\\\\\\\久\\\\\\\和\\\\\\\舒\\\\\\\适\ \\\\\\。\\\\\\\随\\\\\\\着\\\\\\\科\\\\\\\学\\\\\\ \技\\\\\\\术\\\\\\\的\\\\\\\不\\\\\\\断\\\\\\\进\\ \\\\\步\\\\\\\，\\\\\\\相\\\\\\\信\\\\\\\瀝\\\\\\\ 青\\\\\\\在\\\\\\\未\\\\\\\来\\\\\\\将\\\\\\\会\\\ \\\\有\\\\\\\更\\\\\\\广\\\\\\\阔\\\\\\\的\\\\\\\\ u5e94\\\\\\\用\\\\\\\前\\\\\\\景\\\\\\\，\\\\\\\为\\\\ \\\城\\\\\\\市\\\\\\\基\\\\\\\础\\\\\\\设\\\\\\\施 \\\\\\\的\\\\\\\发\\\\\\\展\\\\\\\做\\\\\\\出\\\\\ \\新\\\\\\\的\\\\\\\贡\\\\\\\献\\\\\\\。