Eminyakeni yamuva nje, ubuchwepheshe basekhaya bokuvalwa kwamatshe obuvumelanayo buye benza inqubekelaphambili ngokushesha, futhi ulwazi olufanele lokwakha luye lwaceba kakhulu. Futhi isetshenziswa kakhulu emigwaqweni ezweni lami. Lokhu nakanjani akunakuhlukaniswa nezinzuzo zesendlalelo se-gravel seal esivumelanayo ngokwaso.

①Ubuchwepheshe bokuvalwa kwamatshe obuvumelanayo okwamanje bubonwa umhlaba wonke njengobuchwepheshe bokulungisa umgwaqo obungenawo amandla amancane, okungukuthi, bungamboza indawo enkulu ngaphandle kokuchitha imali eningi. Lokhu kulungele kakhulu iChina njengezwe elisathuthuka.
(2) Uma kuqhathaniswa nobunye ubuchwepheshe obufana nokuvalwa kodaka oluncane noma ukuvala uphawu okuzacile kakhulu, ubuchwepheshe bokuvala amatshe obuvumelanayo bemoto yophawu lwetshe elihambisanayo bunesikhathi eside sokuthambisa itiyela futhi bufaneleka kakhulu umgwaqo ongaqinile. Ukumelana namanzi okuqinile, ukumelana nokushibilika okuphezulu, ubuhwaba obuhle, nokusebenza okuhle kokwelashwa kokuqhekeka kwe-interlayer. Lokhu kuzifanele kakhulu izici zesimo sezulu zemvula yasehlobo kanye nenkathi yemvula ende ezindaweni eziningi zaseShayina.
(3)izwe lami linendawo enkulu kanye nomehluko omkhulu ezimeni zomgwaqo. Ubuchwepheshe be-synchronous gravel sealing bufanele imigwaqo emikhulu, imigwaqo emikhulu kanye nemigwaqo yesibili, kanye nemigwaqo yasemadolobheni, imigwaqo yasemakhaya kanye nesemadolobheni, futhi ingabhekana nezimo zezulu ezihlukene, amandla omgwaqo nezinye izimo.
(4) Ubuchwepheshe bokuvala amatshe ogwadule obufanayo bubuye buwubuchwepheshe bokwakhiwa kwemigwaqo yasemaphandleni engabizi kakhulu emhlabeni, futhi buyisixazululo esihle sokwakhiwa kwemigwaqo yasemakhaya. Ukuze kuthuthukiswe ukulungiswa komgwaqo, kumele kutshalwe imali eningi. Uma kwamukelwa ubuchwepheshe bokuvala amatshe okuvumelanisa, izindleko eziningi zingagcinwa.