TABLE OF CONTENTS - The Professional Green Building Council

Theme A: Connecting the Pearl River Delta Region3.2 The usage of original materialThe form of ecological environment based on the usage of ecological materialperfectly, the ecological material can be recycled without pollution. The Meizhoucircle dwellings’ yards built by the floor, around walls, doors and windows, thescene and quality of air in yards depends on the choice of traditional architecturematerial.The Hakka’s traditional dwellings architecture built with local material, generallyfrom artificial clay and pebble, there are so many pebbles in Mei county andXining for back yards, the pebbles in Dapu county for the center pool in the patio.The pebbles not only have the ability to anti-water, but also to breathe, to regulatethe surface heat function target fit in the nature environment numerical value.Walls built by clay and clay bricks; doors and windows circle the yard. Theartificial clay rammer walls in Mei county and Xining, and some dwellings built bysun-dried mud brick, the walls in Dapu are built by earth, brick and rock. The doorand window are built by wood mostly.These material just only processed by rammer, piling, carve and so on, have not bechanged their own nature function. Some planets have grown up in the roof andcracked walls in so many old dwellings. Sometimes, the material from the olddwellings collapse can recycle without pollution; they all are perfect ecologicalmaterial.When the yard becomes the space exchange air with outside, the ecologicalmaterial as the bridge for the function of exchange, which maintain the inside andyard perfect ecological environment, to enforce the plain natural breath, which isthe living environment modern people in cities long for.135