棒(bang)球場地的面(mian)層(ceng)(ceng)(ceng)是由土(tu)層(ceng)(ceng)(ceng)和草坪兩部分組成。見圖3.3.1及圖3.3.2兩種。其結構層(ceng)(ceng)(ceng)因條(tiao)件不同組成也(ye)有(you)不同，如土(tu)質層(ceng)(ceng)(ceng)，天然草坪層(ceng)(ceng)(ceng)，人造草坪層(ceng)等(deng)。但在同(tong)一場地內應(ying)選(xuan)用同(tong)一種草坪。

常見(jian)土(tu)質場地結構，表面為經加工處(chu)理過的燒(shao)結土(tu)作(zuo)面層(ceng)(ceng)(ceng)，基層(ceng)(ceng)(ceng)為砂(sha)(sha)礫(li)或天(tian)然砂(sha)(sha)石(shi)見(jian)圖(tu)3.3.2.草(cao)坪(ping)(ping)場地結構:天(tian)然草(cao)坪(ping)(ping)主要(yao)由天(tian)然草(cao)苗、肥(fei)土(tu)層(ceng)(ceng)(ceng)、砂(sha)(sha)性土(tu)層(ceng)(ceng)(ceng)、礫(li)石(shi)層(ceng)(ceng)(ceng)、土(tu)層(ceng)(ceng)(ceng)組(zu)成(cheng)見(jian)圖(tu)3.3.2.人造草(cao)坪(ping)(ping)主要(yao)由人造草(cao)、瀝青(qing)混(hun)凝土(tu)基層(ceng)(ceng)(ceng)、無機結合料底(di)層(ceng)(ceng)(ceng)，或由人造草(cao)、水(shui)泥(ni)混(hun)凝土(tu)基層(ceng)(ceng)(ceng)、白(bai)灰土(tu)底(di)層(ceng)(ceng)(ceng)等組(zu)成(cheng)見(jian)圖(tu)3.3.2